23872122 has 24 divisors (see below), whose sum is σ = 51828660. Its totient is φ = 7941120.

The previous prime is 23872111. The next prime is 23872129. The reversal of 23872122 is 22127832.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23824161 + 47961 = 4881^2 + 219^2 .

It is not an unprimeable number, because it can be changed into a prime (23872129) 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, 10504 + ... + 12572.

Almost surely, 2^23872122 is an apocalyptic number.

23872122 is an abundant number, since it is smaller than the sum of its proper divisors (27956538).

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

23872122 is a wasteful number, since it uses less digits than its factorization.

23872122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 2715 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 23872122 is about 4885.9105599673. The cubic root of 23872122 is about 287.9366903664.

Adding to 23872122 its reverse (22127832), we get a palindrome (45999954).

The spelling of 23872122 in words is "twenty-three million, eight hundred seventy-two thousand, one hundred twenty-two".