23254990 has 24 divisors (see below), whose sum is σ = 46012680. Its totient is φ = 8455920.

The previous prime is 23254967. The next prime is 23254999. The reversal of 23254990 is 9945232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23254999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8400 + ... + 10819.

It is an arithmetic number, because the mean of its divisors is an integer number (1917195).

Almost surely, 2^23254990 is an apocalyptic number.

23254990 is a deficient number, since it is larger than the sum of its proper divisors (22757690).

23254990 is a wasteful number, since it uses less digits than its factorization.

23254990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19248 (or 19237 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 23254990 is about 4822.3427916315. The cubic root of 23254990 is about 285.4337910292.

The spelling of 23254990 in words is "twenty-three million, two hundred fifty-four thousand, nine hundred ninety".