23465040 has 40 divisors (see below), whose sum is σ = 72742368. Its totient is φ = 6257280.

The previous prime is 23465033. The next prime is 23465051. The reversal of 23465040 is 4056432.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23465040.

It is a congruent number.

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, 48646 + ... + 49125.

Almost surely, 2^23465040 is an apocalyptic number.

23465040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23465040 is an abundant number, since it is smaller than the sum of its proper divisors (49277328).

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

23465040 is a wasteful number, since it uses less digits than its factorization.

23465040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97787 (or 97781 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 23465040 is about 4844.0726666721. The cubic root of 23465040 is about 286.2906071820.

The spelling of 23465040 in words is "twenty-three million, four hundred sixty-five thousand, forty".