23159190 has 16 divisors (see below), whose sum is σ = 55582128. Its totient is φ = 6175776.

The previous prime is 23159179. The next prime is 23159231. The reversal of 23159190 is 9195132.

It is a super-2 number, since 2×23159190² = 1072696162912200, which contains 22 as substring.

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: 771973 = 23159190 / (2 + 3 + 1 + 5 + 9 + 1 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385957 + ... + 386016.

It is an arithmetic number, because the mean of its divisors is an integer number (3473883).

Almost surely, 2^23159190 is an apocalyptic number.

23159190 is an abundant number, since it is smaller than the sum of its proper divisors (32422938).

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

23159190 is a wasteful number, since it uses less digits than its factorization.

23159190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771983.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 23159190 is about 4812.3996093425. The cubic root of 23159190 is about 285.0412990320.

The spelling of 23159190 in words is "twenty-three million, one hundred fifty-nine thousand, one hundred ninety".