123342535443 has 64 divisors (see below), whose sum is σ = 175891968000. Its totient is φ = 76767575040.

The previous prime is 123342535417. The next prime is 123342535447. The reversal of 123342535443 is 344535243321.

It is not a de Polignac number, because 123342535443 - 2⁵ = 123342535411 is a prime.

It is a super-2 number, since 2×123342535443² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123342535447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125475130 + ... + 125476112.

It is an arithmetic number, because the mean of its divisors is an integer number (2748312000).

Almost surely, 2^123342535443 is an apocalyptic number.

123342535443 is a deficient number, since it is larger than the sum of its proper divisors (52549432557).

123342535443 is a wasteful number, since it uses less digits than its factorization.

123342535443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492.

The product of its digits is 518400, while the sum is 39.

Adding to 123342535443 its reverse (344535243321), we get a palindrome (467877778764).

The spelling of 123342535443 in words is "one hundred twenty-three billion, three hundred forty-two million, five hundred thirty-five thousand, four hundred forty-three".