23131036 has 6 divisors (see below), whose sum is σ = 40479320. Its totient is φ = 11565516.

The previous prime is 23131027. The next prime is 23131057. The reversal of 23131036 is 63013132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2891376 + ... + 2891383.

Almost surely, 2^23131036 is an apocalyptic number.

It is an amenable number.

23131036 is a deficient number, since it is larger than the sum of its proper divisors (17348284).

23131036 is a wasteful number, since it uses less digits than its factorization.

23131036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782763 (or 5782761 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 23131036 is about 4809.4735678658. The cubic root of 23131036 is about 284.9257465325.

Adding to 23131036 its reverse (63013132), we get a palindrome (86144168).

The spelling of 23131036 in words is "twenty-three million, one hundred thirty-one thousand, thirty-six".