123525513405343 has 24 divisors (see below), whose sum is σ = 144047658445920. Its totient is φ = 105617946571200.

The previous prime is 123525513405269. The next prime is 123525513405347. The reversal of 123525513405343 is 343504315525321.

It is not a de Polignac number, because 123525513405343 - 2³⁷ = 123388074451871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123525513405293 and 123525513405302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123525513405347) 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 23 ways as a sum of consecutive naturals, for example, 32399118 + ... + 36010468.

It is an arithmetic number, because the mean of its divisors is an integer number (6001985768580).

Almost surely, 2^{123525513405343} is an apocalyptic number.

123525513405343 is a deficient number, since it is larger than the sum of its proper divisors (20522145040577).

123525513405343 is a wasteful number, since it uses less digits than its factorization.

123525513405343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613087 (or 3613080 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 123525513405343 in words is "one hundred twenty-three trillion, five hundred twenty-five billion, five hundred thirteen million, four hundred five thousand, three hundred forty-three".