23122312 has 48 divisors (see below), whose sum is σ = 47026260. Its totient is φ = 10653696.

The previous prime is 23122301. The next prime is 23122313. The reversal of 23122312 is 21322132.

It can be written as a sum of positive squares in 6 ways, for example, as 19412836 + 3709476 = 4406^2 + 1926^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122313) 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, 168708 + ... + 168844.

Almost surely, 2^23122312 is an apocalyptic number.

It is an amenable number.

23122312 is an abundant number, since it is smaller than the sum of its proper divisors (23903948).

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

23122312 is a wasteful number, since it uses less digits than its factorization.

23122312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 229 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 23122312 is about 4808.5665223640. The cubic root of 23122312 is about 284.8899215803.

Adding to 23122312 its reverse (21322132), we get a palindrome (44444444).

It can be divided in two parts, 2312 and 2312, that added together give a square (4624 = 68²).

The spelling of 23122312 in words is "twenty-three million, one hundred twenty-two thousand, three hundred twelve".