23490812 has 18 divisors (see below), whose sum is σ = 42581448. Its totient is φ = 11338768.

The previous prime is 23490769. The next prime is 23490833. The reversal of 23490812 is 21809432.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128 + ... + 6855.

It is an arithmetic number, because the mean of its divisors is an integer number (2365636).

Almost surely, 2^23490812 is an apocalyptic number.

It is an amenable number.

23490812 is a deficient number, since it is larger than the sum of its proper divisors (19090636).

23490812 is a wasteful number, since it uses less digits than its factorization.

23490812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045 (or 7014 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 23490812 is about 4846.7320949275. The cubic root of 23490812 is about 286.3953812338.

The spelling of 23490812 in words is "twenty-three million, four hundred ninety thousand, eight hundred twelve".