123180414457 has 4 divisors (see below), whose sum is σ = 124664515920. Its totient is φ = 121696312996.

The previous prime is 123180414431. The next prime is 123180414551. The reversal of 123180414457 is 754414081321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 754414081321 = 57787 ⋅13055083.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123180414457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123180411457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742050607 + ... + 742050772.

It is an arithmetic number, because the mean of its divisors is an integer number (31166128980).

Almost surely, 2^123180414457 is an apocalyptic number.

It is an amenable number.

123180414457 is a deficient number, since it is larger than the sum of its proper divisors (1484101463).

123180414457 is an equidigital number, since it uses as much as digits as its factorization.

123180414457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484101462.

The product of its (nonzero) digits is 107520, while the sum is 40.

Adding to 123180414457 its reverse (754414081321), we get a palindrome (877594495778).

The spelling of 123180414457 in words is "one hundred twenty-three billion, one hundred eighty million, four hundred fourteen thousand, four hundred fifty-seven".