12342034431 has 24 divisors (see below), whose sum is σ = 18031229216. Its totient is φ = 8134214400.

The previous prime is 12342034417. The next prime is 12342034447. The reversal of 12342034431 is 13443024321.

12342034431 is a `hidden beast` number, since 1 + 23 + 4 + 203 + 4 + 431 = 666.

It is not a de Polignac number, because 12342034431 - 2⁵ = 12342034399 is a prime.

It is a super-2 number, since 2×12342034431² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12342034395 and 12342034404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342038431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 546051 + ... + 568203.

Almost surely, 2^12342034431 is an apocalyptic number.

12342034431 is a deficient number, since it is larger than the sum of its proper divisors (5689194785).

12342034431 is a wasteful number, since it uses less digits than its factorization.

12342034431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22863 (or 22860 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12342034431 its reverse (13443024321), we get a palindrome (25785058752).

The spelling of 12342034431 in words is "twelve billion, three hundred forty-two million, thirty-four thousand, four hundred thirty-one".