23858240 has 56 divisors (see below), whose sum is σ = 64934592. Its totient is φ = 8179200.

The previous prime is 23858239. The next prime is 23858299. The reversal of 23858240 is 4285832.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 23858197 and 23858206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3086 + ... + 7565.

Almost surely, 2^23858240 is an apocalyptic number.

23858240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23858240 is an abundant number, since it is smaller than the sum of its proper divisors (41076352).

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

23858240 is a wasteful number, since it uses less digits than its factorization.

23858240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10675 (or 10665 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 23858240 is about 4884.4897379358. The cubic root of 23858240 is about 287.8808663640.

The spelling of 23858240 in words is "twenty-three million, eight hundred fifty-eight thousand, two hundred forty".