23156834 has 16 divisors (see below), whose sum is σ = 35380800. Its totient is φ = 11365200.

The previous prime is 23156831. The next prime is 23156843. The reversal of 23156834 is 43865132.

It is a self number, because there is not a number n which added to its sum of digits gives 23156834.

It is not an unprimeable number, because it can be changed into a prime (23156831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32684 + ... + 33384.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^23156834 is an apocalyptic number.

23156834 is a deficient number, since it is larger than the sum of its proper divisors (12223966).

23156834 is a wasteful number, since it uses less digits than its factorization.

23156834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its digits is 17280, while the sum is 32.

The square root of 23156834 is about 4812.1548187896. The cubic root of 23156834 is about 285.0316328898.

The spelling of 23156834 in words is "twenty-three million, one hundred fifty-six thousand, eight hundred thirty-four".