23013146 has 16 divisors (see below), whose sum is σ = 37372104. Its totient is φ = 10565184.

The previous prime is 23013131. The next prime is 23013157. The reversal of 23013146 is 64131032.

It can be written as a sum of positive squares in 4 ways, for example, as 22800625 + 212521 = 4775^2 + 461^2 .

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, 2876 + ... + 7368.

Almost surely, 2^23013146 is an apocalyptic number.

23013146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23013146 is a deficient number, since it is larger than the sum of its proper divisors (14358958).

23013146 is a wasteful number, since it uses less digits than its factorization.

23013146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 23013146 is about 4797.2018927704. The cubic root of 23013146 is about 284.4408695139.

Adding to 23013146 its reverse (64131032), we get a palindrome (87144178).

The spelling of 23013146 in words is "twenty-three million, thirteen thousand, one hundred forty-six".