23215036 has 24 divisors (see below), whose sum is σ = 46056080. Its totient is φ = 10150272.

The previous prime is 23215009. The next prime is 23215079. The reversal of 23215036 is 63051232.

It is a junction number, because it is equal to n+sod(n) for n = 23214998 and 23215016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10761 + ... + 12736.

Almost surely, 2^23215036 is an apocalyptic number.

23215036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23215036 is a deficient number, since it is larger than the sum of its proper divisors (22841044).

23215036 is a wasteful number, since it uses less digits than its factorization.

23215036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23533 (or 23531 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 23215036 is about 4818.1984184963. The cubic root of 23215036 is about 285.2702310211.

Adding to 23215036 its reverse (63051232), we get a palindrome (86266268).

The spelling of 23215036 in words is "twenty-three million, two hundred fifteen thousand, thirty-six".