431232423 has 8 divisors (see below), whose sum is σ = 588348288. Its totient is φ = 280802424.

The previous prime is 431232401. The next prime is 431232443. The reversal of 431232423 is 324232134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 431232423 - 2¹² = 431228327 is a prime.

It is a super-2 number, since 2×431232423² = 371922805292901858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431232393 and 431232402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431232443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671315 + ... + 1671572.

It is an arithmetic number, because the mean of its divisors is an integer number (73543536).

Almost surely, 2^431232423 is an apocalyptic number.

431232423 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

431232423 is a deficient number, since it is larger than the sum of its proper divisors (157115865).

431232423 is a wasteful number, since it uses less digits than its factorization.

431232423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342933.

The product of its digits is 3456, while the sum is 24.

The square root of 431232423 is about 20766.1364485549. The cubic root of 431232423 is about 755.5046393080.

Adding to 431232423 its reverse (324232134), we get a palindrome (755464557).

The spelling of 431232423 in words is "four hundred thirty-one million, two hundred thirty-two thousand, four hundred twenty-three".