23164770 has 16 divisors (see below), whose sum is σ = 55595520. Its totient is φ = 6177264.

The previous prime is 23164769. The next prime is 23164783. The reversal of 23164770 is 7746132.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 772159 = 23164770 / (2 + 3 + 1 + 6 + 4 + 7 + 7 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386050 + ... + 386109.

It is an arithmetic number, because the mean of its divisors is an integer number (3474720).

Almost surely, 2^23164770 is an apocalyptic number.

23164770 is an abundant number, since it is smaller than the sum of its proper divisors (32430750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23164770 is a wasteful number, since it uses less digits than its factorization.

23164770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772169.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 23164770 is about 4812.9793267788. The cubic root of 23164770 is about 285.0641899121.

The spelling of 23164770 in words is "twenty-three million, one hundred sixty-four thousand, seven hundred seventy".