23271290 has 16 divisors (see below), whose sum is σ = 47872512. Its totient is φ = 7978704.

The previous prime is 23271289. The next prime is 23271301. The reversal of 23271290 is 9217232.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166154 + ... + 166293.

It is an arithmetic number, because the mean of its divisors is an integer number (2992032).

Almost surely, 2^23271290 is an apocalyptic number.

23271290 is an abundant number, since it is smaller than the sum of its proper divisors (24601222).

23271290 is a wasteful number, since it uses less digits than its factorization.

23271290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332461.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 23271290 is about 4824.0325454955. The cubic root of 23271290 is about 285.5004646647.

The spelling of 23271290 in words is "twenty-three million, two hundred seventy-one thousand, two hundred ninety".