123974968487 has 2 divisors, whose sum is σ = 123974968488. Its totient is φ = 123974968486.

The previous prime is 123974968471. The next prime is 123974968499. The reversal of 123974968487 is 784869479321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123974968487 - 2⁴ = 123974968471 is a prime.

It is a super-2 number, since 2×123974968487² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123974968457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61987484243 + 61987484244.

It is an arithmetic number, because the mean of its divisors is an integer number (61987484244).

Almost surely, 2^123974968487 is an apocalyptic number.

123974968487 is a deficient number, since it is larger than the sum of its proper divisors (1).

123974968487 is an equidigital number, since it uses as much as digits as its factorization.

123974968487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 146313216, while the sum is 68.

The spelling of 123974968487 in words is "one hundred twenty-three billion, nine hundred seventy-four million, nine hundred sixty-eight thousand, four hundred eighty-seven".