23454864 has 30 divisors (see below), whose sum is σ = 65641446. Its totient is φ = 7818240.

The previous prime is 23454859. The next prime is 23454869. The reversal of 23454864 is 46845432.

It is an interprime number because it is at equal distance from previous prime (23454859) and next prime (23454869).

It can be written as a sum of positive squares in only one way, i.e., 22014864 + 1440000 = 4692^2 + 1200^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23454869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81297 + ... + 81584.

Almost surely, 2^23454864 is an apocalyptic number.

23454864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23454864 is an abundant number, since it is smaller than the sum of its proper divisors (42186582).

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

23454864 is a wasteful number, since it uses less digits than its factorization.

23454864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162895 (or 162886 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 23454864 is about 4843.0221969345. The cubic root of 23454864 is about 286.2492163235.

The spelling of 23454864 in words is "twenty-three million, four hundred fifty-four thousand, eight hundred sixty-four".