23556047156 has 6 divisors (see below), whose sum is σ = 41223082530. Its totient is φ = 11778023576.

The previous prime is 23556047153. The next prime is 23556047189. The reversal of 23556047156 is 65174065532.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23495984656 + 60062500 = 153284^2 + 7750^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23556047153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2944505891 + ... + 2944505898.

It is an arithmetic number, because the mean of its divisors is an integer number (6870513755).

Almost surely, 2^23556047156 is an apocalyptic number.

It is an amenable number.

23556047156 is a deficient number, since it is larger than the sum of its proper divisors (17667035374).

23556047156 is a wasteful number, since it uses less digits than its factorization.

23556047156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889011793 (or 5889011791 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 23556047156 in words is "twenty-three billion, five hundred fifty-six million, forty-seven thousand, one hundred fifty-six".