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23002106431 = 389392315073
BaseRepresentation
bin10101011011000010…
…000100101000111111
32012101001112002001211
4111123002010220333
5334102014401211
614322250545251
71443004451533
oct253302045077
965331462054
1023002106431
1198340a9017
12455b438227
132227648b85
141182cb9bc3
158e95c8e21
hex55b084a3f

23002106431 has 8 divisors (see below), whose sum is σ = 23068646640. Its totient is φ = 22935604992.

The previous prime is 23002106383. The next prime is 23002106437. The reversal of 23002106431 is 13460120032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23002106431 - 215 = 23002073663 is a prime.

It is a super-2 number, since 2×230021064312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002106437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518511 + ... + 1533583.

It is an arithmetic number, because the mean of its divisors is an integer number (2883580830).

Almost surely, 223002106431 is an apocalyptic number.

23002106431 is a deficient number, since it is larger than the sum of its proper divisors (66540209).

23002106431 is a wasteful number, since it uses less digits than its factorization.

23002106431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19385.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23002106431 its reverse (13460120032), we get a palindrome (36462226463).

The spelling of 23002106431 in words is "twenty-three billion, two million, one hundred six thousand, four hundred thirty-one".

Divisors: 1 389 3923 15073 1526047 5863397 59131379 23002106431