23162481 has 12 divisors (see below), whose sum is σ = 34361652. Its totient is φ = 15024096.

The previous prime is 23162473. The next prime is 23162507. The reversal of 23162481 is 18426132.

23162481 is a `hidden beast` number, since 2 + 31 + 624 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19000881 + 4161600 = 4359^2 + 2040^2 .

It is not a de Polignac number, because 23162481 - 2³ = 23162473 is a prime.

It is a super-2 number, since 2×23162481² = 1073001052150722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23162411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34446 + ... + 35111.

It is an arithmetic number, because the mean of its divisors is an integer number (2863471).

Almost surely, 2^23162481 is an apocalyptic number.

It is an amenable number.

23162481 is a deficient number, since it is larger than the sum of its proper divisors (11199171).

23162481 is a wasteful number, since it uses less digits than its factorization.

23162481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69600 (or 69597 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 23162481 is about 4812.7415264068. The cubic root of 23162481 is about 285.0548001733.

The spelling of 23162481 in words is "twenty-three million, one hundred sixty-two thousand, four hundred eighty-one".