23255590 has 8 divisors (see below), whose sum is σ = 41860080. Its totient is φ = 9302232.

The previous prime is 23255581. The next prime is 23255597. The reversal of 23255590 is 9555232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23255597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162770 + ... + 1162789.

It is an arithmetic number, because the mean of its divisors is an integer number (5232510).

Almost surely, 2^23255590 is an apocalyptic number.

23255590 is a deficient number, since it is larger than the sum of its proper divisors (18604490).

23255590 is a wasteful number, since it uses less digits than its factorization.

23255590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325566.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 23255590 is about 4822.4050016563. The cubic root of 23255590 is about 285.4362458257.

The spelling of 23255590 in words is "twenty-three million, two hundred fifty-five thousand, five hundred ninety".