23173668441 has 81 divisors (see below), whose sum is σ = 42864740373. Its totient is φ = 12020001840.

The previous prime is 23173668409. The next prime is 23173668443. The reversal of 23173668441 is 14486637132.

The square root of 23173668441 is 152229.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 23173668441 - 2⁵ = 23173668409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23173668443) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 35164570 + ... + 35165228.

Almost surely, 2^23173668441 is an apocalyptic number.

23173668441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23173668441 is the 152229-th square number.

23173668441 is the 76115-th centered octagonal number.

It is an amenable number.

23173668441 is a deficient number, since it is larger than the sum of its proper divisors (19691071932).

23173668441 is an equidigital number, since it uses as much as digits as its factorization.

23173668441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360 (or 680 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 23173668441 in words is "twenty-three billion, one hundred seventy-three million, six hundred sixty-eight thousand, four hundred forty-one".