123032605434 has 32 divisors (see below), whose sum is σ = 259971855360. Its totient is φ = 38709025200.

The previous prime is 123032605433. The next prime is 123032605457. The reversal of 123032605434 is 434506230321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123032605395 and 123032605404.

It is not an unprimeable number, because it can be changed into a prime (123032605433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1960312 + ... + 2022099.

It is an arithmetic number, because the mean of its divisors is an integer number (8124120480).

Almost surely, 2^123032605434 is an apocalyptic number.

123032605434 is an abundant number, since it is smaller than the sum of its proper divisors (136939249926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123032605434 is a wasteful number, since it uses less digits than its factorization.

123032605434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982706.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 123032605434 its reverse (434506230321), we get a palindrome (557538835755).

The spelling of 123032605434 in words is "one hundred twenty-three billion, thirty-two million, six hundred five thousand, four hundred thirty-four".