23031532 has 24 divisors (see below), whose sum is σ = 42822864. Its totient is φ = 10801152.

The previous prime is 23031529. The next prime is 23031559. The reversal of 23031532 is 23513032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38943 + ... + 39529.

It is an arithmetic number, because the mean of its divisors is an integer number (1784286).

Almost surely, 2^23031532 is an apocalyptic number.

It is an amenable number.

23031532 is a deficient number, since it is larger than the sum of its proper divisors (19791332).

23031532 is a wasteful number, since it uses less digits than its factorization.

23031532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 23031532 is about 4799.1178356027. The cubic root of 23031532 is about 284.5165992397.

Adding to 23031532 its reverse (23513032), we get a palindrome (46544564).

The spelling of 23031532 in words is "twenty-three million, thirty-one thousand, five hundred thirty-two".