123458315478343 has 8 divisors (see below), whose sum is σ = 127442326217216. Its totient is φ = 119474397516600.

The previous prime is 123458315478331. The next prime is 123458315478367. The reversal of 123458315478343 is 343874513854321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123458315478343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123458315478313) 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, 20484921 + ... + 25817602.

It is an arithmetic number, because the mean of its divisors is an integer number (15930290777152).

Almost surely, 2^{123458315478343} is an apocalyptic number.

123458315478343 is a deficient number, since it is larger than the sum of its proper divisors (3984010738873).

123458315478343 is an equidigital number, since it uses as much as digits as its factorization.

123458315478343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46388565.

The product of its digits is 116121600, while the sum is 61.

The spelling of 123458315478343 in words is "one hundred twenty-three trillion, four hundred fifty-eight billion, three hundred fifteen million, four hundred seventy-eight thousand, three hundred forty-three".