432123031 has 4 divisors (see below), whose sum is σ = 436161672. Its totient is φ = 428084392.

The previous prime is 432122941. The next prime is 432123053. The reversal of 432123031 is 130321234.

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-432123031 is a prime.

It is a super-2 number, since 2×432123031² = 373460627841253922, which 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 (432123091) 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, 2019160 + ... + 2019373.

It is an arithmetic number, because the mean of its divisors is an integer number (109040418).

Almost surely, 2^432123031 is an apocalyptic number.

432123031 is a deficient number, since it is larger than the sum of its proper divisors (4038641).

432123031 is a wasteful number, since it uses less digits than its factorization.

432123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038640.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 432123031 is about 20787.5691460065. The cubic root of 432123031 is about 756.0243867118.

Adding to 432123031 its reverse (130321234), we get a palindrome (562444265).

The spelling of 432123031 in words is "four hundred thirty-two million, one hundred twenty-three thousand, thirty-one".