23242790 has 32 divisors (see below), whose sum is σ = 43186176. Its totient is φ = 9001440.

The previous prime is 23242789. The next prime is 23242799. The reversal of 23242790 is 9724232.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81989 + ... + 82271.

It is an arithmetic number, because the mean of its divisors is an integer number (1349568).

Almost surely, 2^23242790 is an apocalyptic number.

23242790 is a deficient number, since it is larger than the sum of its proper divisors (19943386).

23242790 is a wasteful number, since it uses less digits than its factorization.

23242790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 23242790 is about 4821.0776803532. The cubic root of 23242790 is about 285.3838676739.

The spelling of 23242790 in words is "twenty-three million, two hundred forty-two thousand, seven hundred ninety".