23457573 has 8 divisors (see below), whose sum is σ = 34752000. Its totient is φ = 15638364.

The previous prime is 23457541. The next prime is 23457583. The reversal of 23457573 is 37575432.

23457573 is a `hidden beast` number, since 2 + 34 + 57 + 573 = 666.

It is not a de Polignac number, because 23457573 - 2⁵ = 23457541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23457583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434373 + ... + 434426.

It is an arithmetic number, because the mean of its divisors is an integer number (4344000).

Almost surely, 2^23457573 is an apocalyptic number.

It is an amenable number.

23457573 is a deficient number, since it is larger than the sum of its proper divisors (11294427).

23457573 is an equidigital number, since it uses as much as digits as its factorization.

23457573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868808 (or 868802 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 23457573 is about 4843.3018695927. The cubic root of 23457573 is about 286.2602363444.

The spelling of 23457573 in words is "twenty-three million, four hundred fifty-seven thousand, five hundred seventy-three".