23147004 has 24 divisors (see below), whose sum is σ = 54313168. Its totient is φ = 7672320.

The previous prime is 23146967. The next prime is 23147041. The reversal of 23147004 is 40074132.

23147004 = T₁₆₁ + T₁₆₂ + ... + T₅₂₂.

It is an interprime number because it is at equal distance from previous prime (23146967) and next prime (23147041).

It is a congruent 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, 3157 + ... + 7500.

Almost surely, 2^23147004 is an apocalyptic number.

It is an amenable number.

23147004 is an abundant number, since it is smaller than the sum of its proper divisors (31166164).

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

23147004 is a wasteful number, since it uses less digits than its factorization.

23147004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845 (or 10843 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 23147004 is about 4811.1333384141. The cubic root of 23147004 is about 284.9912955175.

The spelling of 23147004 in words is "twenty-three million, one hundred forty-seven thousand, four".