123426536043 has 16 divisors (see below), whose sum is σ = 164903219712. Its totient is φ = 82117224000.

The previous prime is 123426536039. The next prime is 123426536089. The reversal of 123426536043 is 340635624321.

It is not a de Polignac number, because 123426536043 - 2² = 123426536039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123426535992 and 123426536010.

It is not an unprimeable number, because it can be changed into a prime (123426536003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4607458 + ... + 4634168.

It is an arithmetic number, because the mean of its divisors is an integer number (10306451232).

Almost surely, 2^123426536043 is an apocalyptic number.

123426536043 is a deficient number, since it is larger than the sum of its proper divisors (41476683669).

123426536043 is a wasteful number, since it uses less digits than its factorization.

123426536043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29786.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 123426536043 in words is "one hundred twenty-three billion, four hundred twenty-six million, five hundred thirty-six thousand, forty-three".