23155473036 has 12 divisors (see below), whose sum is σ = 54029437112. Its totient is φ = 7718491008.

The previous prime is 23155473007. The next prime is 23155473079. The reversal of 23155473036 is 63037455132.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 23155472985 and 23155473003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964811365 + ... + 964811388.

Almost surely, 2^23155473036 is an apocalyptic number.

It is an amenable number.

23155473036 is an abundant number, since it is smaller than the sum of its proper divisors (30873964076).

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

23155473036 is a wasteful number, since it uses less digits than its factorization.

23155473036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929622760 (or 1929622758 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 39.

It can be divided in two parts, 231554 and 73036, that added together give a triangular number (304590 = T₇₈₀).

The spelling of 23155473036 in words is "twenty-three billion, one hundred fifty-five million, four hundred seventy-three thousand, thirty-six".