923813971 has 2 divisors, whose sum is σ = 923813972. Its totient is φ = 923813970.

The previous prime is 923813941. The next prime is 923813977. The reversal of 923813971 is 179318329.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 923813971 - 2⁵ = 923813939 is a prime.

It is not a weakly prime, because it can be changed into another prime (923813977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461906985 + 461906986.

It is an arithmetic number, because the mean of its divisors is an integer number (461906986).

Almost surely, 2^923813971 is an apocalyptic number.

923813971 is a deficient number, since it is larger than the sum of its proper divisors (1).

923813971 is an equidigital number, since it uses as much as digits as its factorization.

923813971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 43.

The square root of 923813971 is about 30394.3082007142. The cubic root of 923813971 is about 973.9309680284.

The spelling of 923813971 in words is "nine hundred twenty-three million, eight hundred thirteen thousand, nine hundred seventy-one".