23167090 has 16 divisors (see below), whose sum is σ = 44154072. Its totient is φ = 8721664.

The previous prime is 23167063. The next prime is 23167093. The reversal of 23167090 is 9076132.

It can be written as a sum of positive squares in 4 ways, for example, as 22591009 + 576081 = 4753^2 + 759^2 .

It is not an unprimeable number, because it can be changed into a prime (23167093) 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, 67969 + ... + 68308.

Almost surely, 2^23167090 is an apocalyptic number.

23167090 is a deficient number, since it is larger than the sum of its proper divisors (20986982).

23167090 is a wasteful number, since it uses less digits than its factorization.

23167090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136301.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 23167090 is about 4813.2203357004. The cubic root of 23167090 is about 285.0737061854.

The spelling of 23167090 in words is "twenty-three million, one hundred sixty-seven thousand, ninety".