23156122 has 8 divisors (see below), whose sum is σ = 37891872. Its totient is φ = 10525500.

The previous prime is 23156113. The next prime is 23156129. The reversal of 23156122 is 22165132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1052551 = 23156122 / (2 + 3 + 1 + 5 + 6 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 23156093 and 23156102.

It is not an unprimeable number, because it can be changed into a prime (23156129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526254 + ... + 526297.

It is an arithmetic number, because the mean of its divisors is an integer number (4736484).

Almost surely, 2^23156122 is an apocalyptic number.

23156122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23156122 is a deficient number, since it is larger than the sum of its proper divisors (14735750).

23156122 is a wasteful number, since it uses less digits than its factorization.

23156122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052564.

The product of its digits is 720, while the sum is 22.

The square root of 23156122 is about 4812.0808388887. The cubic root of 23156122 is about 285.0287115837.

The spelling of 23156122 in words is "twenty-three million, one hundred fifty-six thousand, one hundred twenty-two".