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23042030033440 = 2551183743321221
BaseRepresentation
bin1010011110100111001000…
…00000111101101000100000
310000120210111200122200222001
411033103210000331220200
511010010034142032230
6121001210143053344
74565505661456435
oct517234400755040
9100523450580861
1023042030033440
117384085281a40
1227018492a1254
13cb1b146277c2
14599351197b8c
1529e5994080ca
hex14f4e403da20

23042030033440 has 192 divisors, whose sum is σ = 60112002932352. Its totient is φ = 8276465459200.

The previous prime is 23042030033401. The next prime is 23042030033461. The reversal of 23042030033440 is 4433003024032.

It is a junction number, because it is equal to n+sod(n) for n = 23042030033399 and 23042030033408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1085802030 + ... + 1085823250.

It is an arithmetic number, because the mean of its divisors is an integer number (313083348606).

Almost surely, 223042030033440 is an apocalyptic number.

23042030033440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23042030033440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30056001466176).

23042030033440 is an abundant number, since it is smaller than the sum of its proper divisors (37069972898912).

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

23042030033440 is a wasteful number, since it uses less digits than its factorization.

23042030033440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28763 (or 28755 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 23042030033440 its reverse (4433003024032), we get a palindrome (27475033057472).

The spelling of 23042030033440 in words is "twenty-three trillion, forty-two billion, thirty million, thirty-three thousand, four hundred forty".