23489093531 has 4 divisors (see below), whose sum is σ = 23492923392. Its totient is φ = 23485263672.

The previous prime is 23489093471. The next prime is 23489093549. The reversal of 23489093531 is 13539098432.

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

It is a cyclic number.

It is not a de Polignac number, because 23489093531 - 2¹⁰ = 23489092507 is a prime.

It is a super-2 number, since 2×23489093531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23489092531) 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, 1905716 + ... + 1918001.

It is an arithmetic number, because the mean of its divisors is an integer number (5873230848).

Almost surely, 2^23489093531 is an apocalyptic number.

23489093531 is a deficient number, since it is larger than the sum of its proper divisors (3829861).

23489093531 is an equidigital number, since it uses as much as digits as its factorization.

23489093531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829860.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 23489093531 in words is "twenty-three billion, four hundred eighty-nine million, ninety-three thousand, five hundred thirty-one".