23415536 has 10 divisors (see below), whose sum is σ = 45367632. Its totient is φ = 11707760.

The previous prime is 23415533. The next prime is 23415563. The reversal of 23415536 is 63551432.

It is a junction number, because it is equal to n+sod(n) for n = 23415499 and 23415508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23415533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731720 + ... + 731751.

Almost surely, 2^23415536 is an apocalyptic number.

It is an amenable number.

23415536 is a deficient number, since it is larger than the sum of its proper divisors (21952096).

23415536 is a wasteful number, since it uses less digits than its factorization.

23415536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463479 (or 1463473 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 23415536 is about 4838.9602188900. The cubic root of 23415536 is about 286.0891371302.

Adding to 23415536 its reverse (63551432), we get a palindrome (86966968).

The spelling of 23415536 in words is "twenty-three million, four hundred fifteen thousand, five hundred thirty-six".