23453860 has 24 divisors (see below), whose sum is σ = 49344120. Its totient is φ = 9364224.

The previous prime is 23453851. The next prime is 23453929. The reversal of 23453860 is 6835432.

It can be written as a sum of positive squares in 4 ways, for example, as 872356 + 22581504 = 934^2 + 4752^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20832 + ... + 21928.

It is an arithmetic number, because the mean of its divisors is an integer number (2056005).

Almost surely, 2^23453860 is an apocalyptic number.

23453860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23453860 is an abundant number, since it is smaller than the sum of its proper divisors (25890260).

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

23453860 is a wasteful number, since it uses less digits than its factorization.

23453860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 23453860 is about 4842.9185415408. The cubic root of 23453860 is about 286.2451319068.

The spelling of 23453860 in words is "twenty-three million, four hundred fifty-three thousand, eight hundred sixty".