23497120 has 24 divisors (see below), whose sum is σ = 55512324. Its totient is φ = 9398784.

The previous prime is 23497087. The next prime is 23497127. The reversal of 23497120 is 2179432.

It can be written as a sum of positive squares in 2 ways, for example, as 23386896 + 110224 = 4836^2 + 332^2 .

It is a super-2 number, since 2×23497120² = 1104229296588800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23497127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73269 + ... + 73588.

Almost surely, 2^23497120 is an apocalyptic number.

23497120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23497120 is an abundant number, since it is smaller than the sum of its proper divisors (32015204).

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

23497120 is a wasteful number, since it uses less digits than its factorization.

23497120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146872 (or 146864 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 23497120 is about 4847.3827989958. The cubic root of 23497120 is about 286.4210142399.

The spelling of 23497120 in words is "twenty-three million, four hundred ninety-seven thousand, one hundred twenty".