123447270660457 has 8 divisors (see below), whose sum is σ = 129995674882400. Its totient is φ = 116903984383584.

The previous prime is 123447270660437. The next prime is 123447270660523. The reversal of 123447270660457 is 754066072744321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123447270660457 - 2²³ = 123447262271849 is a prime.

It is a super-2 number, since 2×123447270660457² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123447270660437) 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, 1279436748 + ... + 1279533229.

It is an arithmetic number, because the mean of its divisors is an integer number (16249459360300).

Almost surely, 2^{123447270660457} is an apocalyptic number.

It is an amenable number.

123447270660457 is a deficient number, since it is larger than the sum of its proper divisors (6548404221943).

123447270660457 is a wasteful number, since it uses less digits than its factorization.

123447270660457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558972535.

The product of its (nonzero) digits is 47416320, while the sum is 58.

The spelling of 123447270660457 in words is "one hundred twenty-three trillion, four hundred forty-seven billion, two hundred seventy million, six hundred sixty thousand, four hundred fifty-seven".