1023311937877 has 2 divisors, whose sum is σ = 1023311937878. Its totient is φ = 1023311937876.

The previous prime is 1023311937871. The next prime is 1023311937913. The reversal of 1023311937877 is 7787391133201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 938678073316 + 84633864561 = 968854^2 + 290919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023311937877 - 2³⁵ = 988952199509 is a prime.

It is a super-2 number, since 2×1023311937877² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023311937871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511655968938 + 511655968939.

It is an arithmetic number, because the mean of its divisors is an integer number (511655968939).

Almost surely, 2^{1023311937877} is an apocalyptic number.

It is an amenable number.

1023311937877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023311937877 is an equidigital number, since it uses as much as digits as its factorization.

1023311937877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 1023311937877 in words is "one trillion, twenty-three billion, three hundred eleven million, nine hundred thirty-seven thousand, eight hundred seventy-seven".