123179054749 has 8 divisors (see below), whose sum is σ = 126189705600. Its totient is φ = 120168703200.

The previous prime is 123179054737. The next prime is 123179054753. The reversal of 123179054749 is 947450971321.

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 123179054749 - 2²¹ = 123176957597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123179054696 and 123179054705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123179054729) 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, 917004 + ... + 1042714.

It is an arithmetic number, because the mean of its divisors is an integer number (15773713200).

Almost surely, 2^123179054749 is an apocalyptic number.

It is an amenable number.

123179054749 is a deficient number, since it is larger than the sum of its proper divisors (3010650851).

123179054749 is a wasteful number, since it uses less digits than its factorization.

123179054749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149651.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 123179054749 in words is "one hundred twenty-three billion, one hundred seventy-nine million, fifty-four thousand, seven hundred forty-nine".