23172323301312 has 56 divisors (see below), whose sum is σ = 61320576211536. Its totient is φ = 7722788610048.

The previous prime is 23172323301307. The next prime is 23172323301331. The reversal of 23172323301312 is 21310332327132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9178443 + ... + 11427530.

Almost surely, 2^{23172323301312} is an apocalyptic number.

It is an amenable number.

23172323301312 is an abundant number, since it is smaller than the sum of its proper divisors (38148252910224).

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

23172323301312 is a wasteful number, since it uses less digits than its factorization.

23172323301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20611845 (or 20611835 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

Adding to 23172323301312 its reverse (21310332327132), we get a palindrome (44482655628444).

The spelling of 23172323301312 in words is "twenty-three trillion, one hundred seventy-two billion, three hundred twenty-three million, three hundred one thousand, three hundred twelve".