1523254140979 has 2 divisors, whose sum is σ = 1523254140980. Its totient is φ = 1523254140978.

The previous prime is 1523254140901. The next prime is 1523254141007. The reversal of 1523254140979 is 9790414523251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1523254140979 - 2³⁹ = 973498327091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1523254140379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761627070489 + 761627070490.

It is an arithmetic number, because the mean of its divisors is an integer number (761627070490).

Almost surely, 2^{1523254140979} is an apocalyptic number.

1523254140979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523254140979 is an equidigital number, since it uses as much as digits as its factorization.

1523254140979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 1523254140979 in words is "one trillion, five hundred twenty-three billion, two hundred fifty-four million, one hundred forty thousand, nine hundred seventy-nine".