23149279629 has 32 divisors (see below), whose sum is σ = 39222816000. Its totient is φ = 13218619392.

The previous prime is 23149279567. The next prime is 23149279639. The reversal of 23149279629 is 92697294132.

23149279629 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 9 + 2 + 7 + 9 + 629 = 666.

It is not a de Polignac number, because 23149279629 - 2¹² = 23149275533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23149279639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222837 + ... + 309765.

It is an arithmetic number, because the mean of its divisors is an integer number (1225713000).

Almost surely, 2^23149279629 is an apocalyptic number.

It is an amenable number.

23149279629 is a deficient number, since it is larger than the sum of its proper divisors (16073536371).

23149279629 is a wasteful number, since it uses less digits than its factorization.

23149279629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88354 (or 88348 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The spelling of 23149279629 in words is "twenty-three billion, one hundred forty-nine million, two hundred seventy-nine thousand, six hundred twenty-nine".