22877923 has 2 divisors, whose sum is σ = 22877924. Its totient is φ = 22877922.

The previous prime is 22877909. The next prime is 22877929. The reversal of 22877923 is 32977822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22877923 is a prime.

It is not a weakly prime, because it can be changed into another prime (22877929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11438961 + 11438962.

It is an arithmetic number, because the mean of its divisors is an integer number (11438962).

Almost surely, 2^22877923 is an apocalyptic number.

22877923 is a deficient number, since it is larger than the sum of its proper divisors (1).

22877923 is an equidigital number, since it uses as much as digits as its factorization.

22877923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 22877923 is about 4783.0871829813. The cubic root of 22877923 is about 283.8826591555.

The spelling of 22877923 in words is "twenty-two million, eight hundred seventy-seven thousand, nine hundred twenty-three".