23162100481 has 27 divisors (see below), whose sum is σ = 26270349609. Its totient is φ = 20410639392.

The previous prime is 23162100469. The next prime is 23162100557. The reversal of 23162100481 is 18400126132.

The square root of 23162100481 is 152191.

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

It can be written as a sum of positive squares in 4 ways, for example, as 62964225 + 23099136256 = 7935^2 + 151984^2 .

It is not a de Polignac number, because 23162100481 - 2⁹ = 23162099969 is a prime.

It is a super-2 number, since 2×23162100481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23162100781) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 45504855 + ... + 45505363.

Almost surely, 2^23162100481 is an apocalyptic number.

23162100481 is the 152191-st square number.

23162100481 is the 76096-th centered octagonal number.

It is an amenable number.

23162100481 is a deficient number, since it is larger than the sum of its proper divisors (3108249128).

23162100481 is an frugal number, since it uses more digits than its factorization.

23162100481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Multiplying 23162100481 by its product of nonzero digits (2304), we get a square (53365479508224 = 7305168²).

The spelling of 23162100481 in words is "twenty-three billion, one hundred sixty-two million, one hundred thousand, four hundred eighty-one".