23432031 has 16 divisors (see below), whose sum is σ = 39673600. Its totient is φ = 13389624.

The previous prime is 23432023. The next prime is 23432047. The reversal of 23432031 is 13023432.

It is not a de Polignac number, because 23432031 - 2³ = 23432023 is a prime.

It is a super-2 number, since 2×23432031² = 1098120153569922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23431995 and 23432013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61801 + ... + 62178.

It is an arithmetic number, because the mean of its divisors is an integer number (2479600).

Almost surely, 2^23432031 is an apocalyptic number.

23432031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23432031 is a deficient number, since it is larger than the sum of its proper divisors (16241569).

23432031 is a wasteful number, since it uses less digits than its factorization.

23432031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123995 (or 123989 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23432031 is about 4840.6643139139. The cubic root of 23432031 is about 286.1562995567.

Adding to 23432031 its reverse (13023432), we get a palindrome (36455463).

The spelling of 23432031 in words is "twenty-three million, four hundred thirty-two thousand, thirty-one".