23173770450507 has 32 divisors (see below), whose sum is σ = 31707112034304. Its totient is φ = 15046123276800.

The previous prime is 23173770450503. The next prime is 23173770450521. The reversal of 23173770450507 is 70505407737132.

It is not a de Polignac number, because 23173770450507 - 2² = 23173770450503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23173770450507.

It is not an unprimeable number, because it can be changed into a prime (23173770450503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 949460098 + ... + 949484504.

It is an arithmetic number, because the mean of its divisors is an integer number (990847251072).

Almost surely, 2^{23173770450507} is an apocalyptic number.

23173770450507 is a deficient number, since it is larger than the sum of its proper divisors (8533341583797).

23173770450507 is a wasteful number, since it uses less digits than its factorization.

23173770450507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37579.

The product of its (nonzero) digits is 4321800, while the sum is 51.

The spelling of 23173770450507 in words is "twenty-three trillion, one hundred seventy-three billion, seven hundred seventy million, four hundred fifty thousand, five hundred seven".