1977267023 has 2 divisors, whose sum is σ = 1977267024. Its totient is φ = 1977267022.

The previous prime is 1977266983. The next prime is 1977267031. The reversal of 1977267023 is 3207627791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1977267023 - 2⁶ = 1977266959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1977267043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 988633511 + 988633512.

It is an arithmetic number, because the mean of its divisors is an integer number (988633512).

Almost surely, 2^1977267023 is an apocalyptic number.

1977267023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1977267023 is an equidigital number, since it uses as much as digits as its factorization.

1977267023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 1977267023 is about 44466.4707729318. The cubic root of 1977267023 is about 1255.1292223146.

The spelling of 1977267023 in words is "one billion, nine hundred seventy-seven million, two hundred sixty-seven thousand, twenty-three".