23585131 has 4 divisors (see below), whose sum is σ = 23594872. Its totient is φ = 23575392.

The previous prime is 23585123. The next prime is 23585153. The reversal of 23585131 is 13158532.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23585131 - 2³ = 23585123 is a prime.

It is a super-2 number, since 2×23585131² = 1112516808574322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23585131.

It is not an unprimeable number, because it can be changed into a prime (23582131) 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, 1891 + ... + 7123.

It is an arithmetic number, because the mean of its divisors is an integer number (5898718).

Almost surely, 2^23585131 is an apocalyptic number.

23585131 is a deficient number, since it is larger than the sum of its proper divisors (9741).

23585131 is an equidigital number, since it uses as much as digits as its factorization.

23585131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9740.

The product of its digits is 3600, while the sum is 28.

The square root of 23585131 is about 4856.4525118650. The cubic root of 23585131 is about 286.7781756264.

It can be divided in two parts, 23585 and 131, that added together give a square (23716 = 154²).

The spelling of 23585131 in words is "twenty-three million, five hundred eighty-five thousand, one hundred thirty-one".