23161732 has 24 divisors (see below), whose sum is σ = 44829792. Its totient is φ = 10382400.

The previous prime is 23161727. The next prime is 23161751. The reversal of 23161732 is 23716132.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23161697 and 23161706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394 + ... + 6817.

It is an arithmetic number, because the mean of its divisors is an integer number (1867908).

Almost surely, 2^23161732 is an apocalyptic number.

23161732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23161732 is a deficient number, since it is larger than the sum of its proper divisors (21668060).

23161732 is a wasteful number, since it uses less digits than its factorization.

23161732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7299 (or 7297 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 23161732 is about 4812.6637115011. The cubic root of 23161732 is about 285.0517275556.

Adding to 23161732 its reverse (23716132), we get a palindrome (46877864).

The spelling of 23161732 in words is "twenty-three million, one hundred sixty-one thousand, seven hundred thirty-two".