23001312 has 24 divisors (see below), whose sum is σ = 60378696. Its totient is φ = 7667072.

The previous prime is 23001271. The next prime is 23001313. The reversal of 23001312 is 21310032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119703 + ... + 119894.

It is an arithmetic number, because the mean of its divisors is an integer number (2515779).

Almost surely, 2^23001312 is an apocalyptic number.

It is an amenable number.

23001312 is an abundant number, since it is smaller than the sum of its proper divisors (37377384).

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

23001312 is a wasteful number, since it uses less digits than its factorization.

23001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239610 (or 239602 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 23001312 is about 4795.9683068177. The cubic root of 23001312 is about 284.3921053511.

Adding to 23001312 its reverse (21310032), we get a palindrome (44311344).

The spelling of 23001312 in words is "twenty-three million, one thousand, three hundred twelve".