23415771865172 has 48 divisors (see below), whose sum is σ = 42785308605312. Its totient is φ = 11205674663040.

The previous prime is 23415771865063. The next prime is 23415771865193. The reversal of 23415771865172 is 27156817751432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6539579 + ... + 9465602.

It is an arithmetic number, because the mean of its divisors is an integer number (891360595944).

Almost surely, 2^{23415771865172} is an apocalyptic number.

It is an amenable number.

23415771865172 is a deficient number, since it is larger than the sum of its proper divisors (19369536740140).

23415771865172 is a wasteful number, since it uses less digits than its factorization.

23415771865172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16005408 (or 16005406 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 59.

The spelling of 23415771865172 in words is "twenty-three trillion, four hundred fifteen billion, seven hundred seventy-one million, eight hundred sixty-five thousand, one hundred seventy-two".