23015902 has 16 divisors (see below), whose sum is σ = 42491232. Its totient is φ = 9105120.

The previous prime is 23015899. The next prime is 23015917. The reversal of 23015902 is 20951032.

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, 63049 + ... + 63412.

It is an arithmetic number, because the mean of its divisors is an integer number (2655702).

Almost surely, 2^23015902 is an apocalyptic number.

23015902 is a deficient number, since it is larger than the sum of its proper divisors (19475330).

23015902 is a wasteful number, since it uses less digits than its factorization.

23015902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126483.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 23015902 is about 4797.4891349538. The cubic root of 23015902 is about 284.4522237162.

Adding to 23015902 its reverse (20951032), we get a palindrome (43966934).

The spelling of 23015902 in words is "twenty-three million, fifteen thousand, nine hundred two".