23020312 has 32 divisors (see below), whose sum is σ = 52233120. Its totient is φ = 9285120.

The previous prime is 23020307. The next prime is 23020337. The reversal of 23020312 is 21302032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23020292 and 23020301.

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, 11139 + ... + 13042.

It is an arithmetic number, because the mean of its divisors is an integer number (1632285).

Almost surely, 2^23020312 is an apocalyptic number.

It is an amenable number.

23020312 is an abundant number, since it is smaller than the sum of its proper divisors (29212808).

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

23020312 is a wasteful number, since it uses less digits than its factorization.

23020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24211 (or 24207 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 23020312 is about 4797.9487283630. The cubic root of 23020312 is about 284.4703902024.

Adding to 23020312 its reverse (21302032), we get a palindrome (44322344).

It can be divided in two parts, 23020 and 312, that added together give a palindrome (23332).

The spelling of 23020312 in words is "twenty-three million, twenty thousand, three hundred twelve".