30432112423 has 4 divisors (see below), whose sum is σ = 31481495640. Its totient is φ = 29382729208.

The previous prime is 30432112409. The next prime is 30432112433. The reversal of 30432112423 is 32421123403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30432112423 is a prime.

It is a super-2 number, since 2×30432112423² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30432112433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524691565 + ... + 524691622.

It is an arithmetic number, because the mean of its divisors is an integer number (7870373910).

Almost surely, 2^30432112423 is an apocalyptic number.

30432112423 is a deficient number, since it is larger than the sum of its proper divisors (1049383217).

30432112423 is a wasteful number, since it uses less digits than its factorization.

30432112423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049383216.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30432112423 its reverse (32421123403), we get a palindrome (62853235826).

The spelling of 30432112423 in words is "thirty billion, four hundred thirty-two million, one hundred twelve thousand, four hundred twenty-three".