23047156 has 24 divisors (see below), whose sum is σ = 44833824. Its totient is φ = 10277280.

The previous prime is 23047153. The next prime is 23047181. The reversal of 23047156 is 65174032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23047151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610 + ... + 7273.

It is an arithmetic number, because the mean of its divisors is an integer number (1868076).

Almost surely, 2^23047156 is an apocalyptic number.

It is an amenable number.

23047156 is a deficient number, since it is larger than the sum of its proper divisors (21786668).

23047156 is a wasteful number, since it uses less digits than its factorization.

23047156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9951 (or 9949 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 23047156 is about 4800.7453587959. The cubic root of 23047156 is about 284.5809209492.

The spelling of 23047156 in words is "twenty-three million, forty-seven thousand, one hundred fifty-six".