977023 has 2 divisors, whose sum is σ = 977024. Its totient is φ = 977022.

The previous prime is 977021. The next prime is 977047. The reversal of 977023 is 320779.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 977023 - 2¹ = 977021 is a prime.

Together with 977021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 976982 and 977000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (977021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488511 + 488512.

It is an arithmetic number, because the mean of its divisors is an integer number (488512).

2⁹⁷⁷⁰²³ is an apocalyptic number.

977023 is a deficient number, since it is larger than the sum of its proper divisors (1).

977023 is an equidigital number, since it uses as much as digits as its factorization.

977023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 977023 is about 988.4447379596. Note that the first 3 decimals coincide. The cubic root of 977023 is about 99.2281579254.

The spelling of 977023 in words is "nine hundred seventy-seven thousand, twenty-three".