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23030004431020 = 2251699677751749
BaseRepresentation
bin1010011110010000101110…
…01110111011100010101100
310000112122110121100210200211
411033020113032323202230
511004310422113243040
6120551501000432204
74564601656521166
oct517102716734254
9100478417323624
1023030004431020
117379a74123944
1226bb451a78664
13cb094909a822
1459892ddd3936
1529e0e37cb8ea
hex14f2173bb8ac

23030004431020 has 24 divisors (see below), whose sum is σ = 48391474950000. Its totient is φ = 9206579744832.

The previous prime is 23030004430999. The next prime is 23030004431039. The reversal of 23030004431020 is 2013440003032.

It is a happy number.

It is a super-2 number, since 2×230300044310202 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23030004430982 and 23030004431000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338841895 + ... + 338909854.

It is an arithmetic number, because the mean of its divisors is an integer number (2016311456250).

Almost surely, 223030004431020 is an apocalyptic number.

23030004431020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030004431020 is an abundant number, since it is smaller than the sum of its proper divisors (25361470518980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23030004431020 is a wasteful number, since it uses less digits than its factorization.

23030004431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677753457 (or 677753455 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23030004431020 its reverse (2013440003032), we get a palindrome (25043444434052).

The spelling of 23030004431020 in words is "twenty-three trillion, thirty billion, four million, four hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 1699 3398 6796 8495 16990 33980 677751749 1355503498 2711006996 3388758745 6777517490 13555034980 1151500221551 2303000443102 4606000886204 5757501107755 11515002215510 23030004431020