23754420 has 36 divisors (see below), whose sum is σ = 72055620. Its totient is φ = 6334464.

The previous prime is 23754397. The next prime is 23754421. The reversal of 23754420 is 2445732.

23754420 is a `hidden beast` number, since 237 + 5 + 4 + 420 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5143824 + 18610596 = 2268^2 + 4314^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23754421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65805 + ... + 66164.

It is an arithmetic number, because the mean of its divisors is an integer number (2001545).

Almost surely, 2^23754420 is an apocalyptic number.

23754420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23754420 is an abundant number, since it is smaller than the sum of its proper divisors (48301200).

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

23754420 is a wasteful number, since it uses less digits than its factorization.

23754420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131984 (or 131979 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 23754420 is about 4873.8506337392. The cubic root of 23754420 is about 287.4626845079.

The spelling of 23754420 in words is "twenty-three million, seven hundred fifty-four thousand, four hundred twenty".