1023011879957 has 2 divisors, whose sum is σ = 1023011879958. Its totient is φ = 1023011879956.

The previous prime is 1023011879887. The next prime is 1023011879983. The reversal of 1023011879957 is 7599781103201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 740573840356 + 282438039601 = 860566^2 + 531449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023011879957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023011879899 and 1023011879908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023011779957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511505939978 + 511505939979.

It is an arithmetic number, because the mean of its divisors is an integer number (511505939979).

Almost surely, 2^{1023011879957} is an apocalyptic number.

It is an amenable number.

1023011879957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023011879957 is an equidigital number, since it uses as much as digits as its factorization.

1023011879957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 53.

The spelling of 1023011879957 in words is "one trillion, twenty-three billion, eleven million, eight hundred seventy-nine thousand, nine hundred fifty-seven".