123345430335423 has 6 divisors (see below), whose sum is σ = 178165621595624. Its totient is φ = 82230286890276.

The previous prime is 123345430335403. The next prime is 123345430335497. The reversal of 123345430335423 is 324533034543321.

123345430335423 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 4 + 543 + 0 + 33 + 54 + 23 = 666.

It is not a de Polignac number, because 123345430335423 - 2¹⁷ = 123345430204351 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 (123345430335403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6852523907515 + ... + 6852523907532.

Almost surely, 2^{123345430335423} is an apocalyptic number.

123345430335423 is a deficient number, since it is larger than the sum of its proper divisors (54820191260201).

123345430335423 is a wasteful number, since it uses less digits than its factorization.

123345430335423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13705047815053 (or 13705047815050 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 45.

Adding to 123345430335423 its reverse (324533034543321), we get a palindrome (447878464878744).

The spelling of 123345430335423 in words is "one hundred twenty-three trillion, three hundred forty-five billion, four hundred thirty million, three hundred thirty-five thousand, four hundred twenty-three".