23003190 has 80 divisors (see below), whose sum is σ = 70706592. Its totient is φ = 5256576.

The previous prime is 23003179. The next prime is 23003191. The reversal of 23003190 is 9130032.

It is a super-2 number, since 2×23003190² = 1058293500352200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003191) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 3642 + ... + 7698.

Almost surely, 2^23003190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23003190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35353296).

23003190 is an abundant number, since it is smaller than the sum of its proper divisors (47703402).

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

23003190 is a wasteful number, since it uses less digits than its factorization.

23003190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083 (or 4074 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 23003190 is about 4796.1640922721. The cubic root of 23003190 is about 284.3998451102.

The spelling of 23003190 in words is "twenty-three million, three thousand, one hundred ninety".