23121368 has 16 divisors (see below), whose sum is σ = 44275680. Its totient is φ = 11314528.

The previous prime is 23121361. The next prime is 23121389. The reversal of 23121368 is 86312132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121361) 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, 30371 + ... + 31122.

It is an arithmetic number, because the mean of its divisors is an integer number (2767230).

Almost surely, 2^23121368 is an apocalyptic number.

It is an amenable number.

23121368 is a deficient number, since it is larger than the sum of its proper divisors (21154312).

23121368 is a wasteful number, since it uses less digits than its factorization.

23121368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61546 (or 61542 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 23121368 is about 4808.4683632109. The cubic root of 23121368 is about 284.8860445207.

The spelling of 23121368 in words is "twenty-three million, one hundred twenty-one thousand, three hundred sixty-eight".