23120238 has 16 divisors (see below), whose sum is σ = 48960720. Its totient is φ = 7253376.

The previous prime is 23120191. The next prime is 23120249. The reversal of 23120238 is 83202132.

It is a Curzon number.

It is a congruent 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, 113233 + ... + 113436.

It is an arithmetic number, because the mean of its divisors is an integer number (3060045).

Almost surely, 2^23120238 is an apocalyptic number.

23120238 is an abundant number, since it is smaller than the sum of its proper divisors (25840482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23120238 is a wasteful number, since it uses less digits than its factorization.

23120238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226691.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 23120238 is about 4808.3508607422. The cubic root of 23120238 is about 284.8814034101.

The spelling of 23120238 in words is "twenty-three million, one hundred twenty thousand, two hundred thirty-eight".