23896523 has 4 divisors (see below), whose sum is σ = 27310320. Its totient is φ = 20482728.

The previous prime is 23896507. The next prime is 23896529. The reversal of 23896523 is 32569832.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23896523 - 2⁴ = 23896507 is a prime.

It is a super-2 number, since 2×23896523² = 1142087622979058, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23896529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706888 + ... + 1706901.

It is an arithmetic number, because the mean of its divisors is an integer number (6827580).

Almost surely, 2^23896523 is an apocalyptic number.

23896523 is a deficient number, since it is larger than the sum of its proper divisors (3413797).

23896523 is an equidigital number, since it uses as much as digits as its factorization.

23896523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413796.

The product of its digits is 77760, while the sum is 38.

The square root of 23896523 is about 4888.4070002405. The cubic root of 23896523 is about 288.0347622327.

The spelling of 23896523 in words is "twenty-three million, eight hundred ninety-six thousand, five hundred twenty-three".