123434032300423 has 16 divisors (see below), whose sum is σ = 137217591433216. Its totient is φ = 110263167393120.

The previous prime is 123434032300421. The next prime is 123434032300477. The reversal of 123434032300423 is 324003230434321.

It is not a de Polignac number, because 123434032300423 - 2¹ = 123434032300421 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 (123434032300421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116482390 + ... + 117537292.

It is an arithmetic number, because the mean of its divisors is an integer number (8576099464576).

Almost surely, 2^{123434032300423} is an apocalyptic number.

123434032300423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123434032300423 is a deficient number, since it is larger than the sum of its proper divisors (13783559132793).

123434032300423 is a wasteful number, since it uses less digits than its factorization.

123434032300423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345294.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 123434032300423 its reverse (324003230434321), we get a palindrome (447437262734744).

The spelling of 123434032300423 in words is "one hundred twenty-three trillion, four hundred thirty-four billion, thirty-two million, three hundred thousand, four hundred twenty-three".