23445700 has 18 divisors (see below), whose sum is σ = 50877386. Its totient is φ = 9378240.

The previous prime is 23445683. The next prime is 23445713. The reversal of 23445700 is 754432.

It can be written as a sum of positive squares in 3 ways, for example, as 174724 + 23270976 = 418^2 + 4824^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117129 + ... + 117328.

Almost surely, 2^23445700 is an apocalyptic number.

23445700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23445700 is an abundant number, since it is smaller than the sum of its proper divisors (27431686).

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

23445700 is a wasteful number, since it uses less digits than its factorization.

23445700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234471 (or 234464 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 23445700 is about 4842.0760010557. The cubic root of 23445700 is about 286.2119315265.

The spelling of 23445700 in words is "twenty-three million, four hundred forty-five thousand, seven hundred".