123402471862497 has 8 divisors (see below), whose sum is σ = 165122168756640. Its totient is φ = 81975544771680.

The previous prime is 123402471862493. The next prime is 123402471862589. The reversal of 123402471862497 is 794268174204321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123402471862497 - 2² = 123402471862493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123402471862497.

It is not an unprimeable number, because it can be changed into a prime (123402471862493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73192449847 + ... + 73192451532.

It is an arithmetic number, because the mean of its divisors is an integer number (20640271094580).

Almost surely, 2^{123402471862497} is an apocalyptic number.

It is an amenable number.

123402471862497 is a deficient number, since it is larger than the sum of its proper divisors (41719696894143).

123402471862497 is a wasteful number, since it uses less digits than its factorization.

123402471862497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146384901663.

The product of its (nonzero) digits is 32514048, while the sum is 60.

The spelling of 123402471862497 in words is "one hundred twenty-three trillion, four hundred two billion, four hundred seventy-one million, eight hundred sixty-two thousand, four hundred ninety-seven".