23903977 has 2 divisors, whose sum is σ = 23903978. Its totient is φ = 23903976.

The previous prime is 23903953. The next prime is 23903983. The reversal of 23903977 is 77930932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18800896 + 5103081 = 4336^2 + 2259^2 .

It is a cyclic number.

It is not a de Polignac number, because 23903977 - 2²³ = 15515369 is a prime.

It is not a weakly prime, because it can be changed into another prime (23903927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11951988 + 11951989.

It is an arithmetic number, because the mean of its divisors is an integer number (11951989).

Almost surely, 2^23903977 is an apocalyptic number.

It is an amenable number.

23903977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23903977 is an equidigital number, since it uses as much as digits as its factorization.

23903977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 40.

The square root of 23903977 is about 4889.1693568540. The cubic root of 23903977 is about 288.0647078433.

The spelling of 23903977 in words is "twenty-three million, nine hundred three thousand, nine hundred seventy-seven".