123430034321 has 16 divisors (see below), whose sum is σ = 137535452928. Its totient is φ = 109806048000.

The previous prime is 123430034317. The next prime is 123430034339.

123430034321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 123430034321 - 2² = 123430034317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123430034521) 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, 5106761 + ... + 5130873.

It is an arithmetic number, because the mean of its divisors is an integer number (8595965808).

Almost surely, 2^123430034321 is an apocalyptic number.

123430034321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123430034321 is a deficient number, since it is larger than the sum of its proper divisors (14105418607).

123430034321 is a wasteful number, since it uses less digits than its factorization.

123430034321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34072.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 1234300 and 34321, that added together give a palindrome (1268621).

The spelling of 123430034321 in words is "one hundred twenty-three billion, four hundred thirty million, thirty-four thousand, three hundred twenty-one".