23120412 has 96 divisors (see below), whose sum is σ = 65167872. Its totient is φ = 6241536.

The previous prime is 23120401. The next prime is 23120423. The reversal of 23120412 is 21402132.

It is an interprime number because it is at equal distance from previous prime (23120401) and next prime (23120423).

It is a junction number, because it is equal to n+sod(n) for n = 23120391 and 23120400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133558 + ... + 133730.

It is an arithmetic number, because the mean of its divisors is an integer number (678832).

Almost surely, 2^23120412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23120412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32583936).

23120412 is an abundant number, since it is smaller than the sum of its proper divisors (42047460).

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

23120412 is a wasteful number, since it uses less digits than its factorization.

23120412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 23120412 is about 4808.3689542297. The cubic root of 23120412 is about 284.8821180689.

Adding to 23120412 its reverse (21402132), we get a palindrome (44522544).

It can be divided in two parts, 23120 and 412, that added together give a palindrome (23532).

The spelling of 23120412 in words is "twenty-three million, one hundred twenty thousand, four hundred twelve".