23178129711 has 12 divisors (see below), whose sum is σ = 33969050136. Its totient is φ = 14047351120.

The previous prime is 23178129707. The next prime is 23178129769. The reversal of 23178129711 is 11792187132.

It is not a de Polignac number, because 23178129711 - 2² = 23178129707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23178129781) 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 11 ways as a sum of consecutive naturals, for example, 31925436 + ... + 31926161.

It is an arithmetic number, because the mean of its divisors is an integer number (2830754178).

Almost surely, 2^23178129711 is an apocalyptic number.

23178129711 is a deficient number, since it is larger than the sum of its proper divisors (10790920425).

23178129711 is a wasteful number, since it uses less digits than its factorization.

23178129711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63851622 (or 63851611 counting only the distinct ones).

The product of its digits is 42336, while the sum is 42.

The spelling of 23178129711 in words is "twenty-three billion, one hundred seventy-eight million, one hundred twenty-nine thousand, seven hundred eleven".