22863943 has 4 divisors (see below), whose sum is σ = 23153440. Its totient is φ = 22574448.

The previous prime is 22863941. The next prime is 22863961. The reversal of 22863943 is 34936822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22863943 - 2¹ = 22863941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22863941) 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, 144630 + ... + 144787.

It is an arithmetic number, because the mean of its divisors is an integer number (5788360).

Almost surely, 2^22863943 is an apocalyptic number.

22863943 is a deficient number, since it is larger than the sum of its proper divisors (289497).

22863943 is an equidigital number, since it uses as much as digits as its factorization.

22863943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289496.

The product of its digits is 62208, while the sum is 37.

The square root of 22863943 is about 4781.6255604135. The cubic root of 22863943 is about 283.8248233658.

The spelling of 22863943 in words is "twenty-two million, eight hundred sixty-three thousand, nine hundred forty-three".