23255977 has 2 divisors, whose sum is σ = 23255978. Its totient is φ = 23255976.

The previous prime is 23255959. The next prime is 23255987. The reversal of 23255977 is 77955232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22429696 + 826281 = 4736^2 + 909^2 .

It is a cyclic number.

It is not a de Polignac number, because 23255977 - 2⁷ = 23255849 is a prime.

It is a super-3 number, since 3×23255977³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23255917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11627988 + 11627989.

It is an arithmetic number, because the mean of its divisors is an integer number (11627989).

Almost surely, 2^23255977 is an apocalyptic number.

It is an amenable number.

23255977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23255977 is an equidigital number, since it uses as much as digits as its factorization.

23255977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 40.

The square root of 23255977 is about 4822.4451266966. The cubic root of 23255977 is about 285.4378291470.

The spelling of 23255977 in words is "twenty-three million, two hundred fifty-five thousand, nine hundred seventy-seven".