23149859736 has 32 divisors (see below), whose sum is σ = 58855579200. Its totient is φ = 7585829280.

The previous prime is 23149859723. The next prime is 23149859737. The reversal of 23149859736 is 63795894132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23149859737) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8172970 + ... + 8175801.

It is an arithmetic number, because the mean of its divisors is an integer number (1839236850).

Almost surely, 2^23149859736 is an apocalyptic number.

It is an amenable number.

23149859736 is an abundant number, since it is smaller than the sum of its proper divisors (35705719464).

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

23149859736 is a wasteful number, since it uses less digits than its factorization.

23149859736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16348839 (or 16348835 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The spelling of 23149859736 in words is "twenty-three billion, one hundred forty-nine million, eight hundred fifty-nine thousand, seven hundred thirty-six".