431373 has 4 divisors (see below), whose sum is σ = 575168. Its totient is φ = 287580.

The previous prime is 431369. The next prime is 431377. The reversal of 431373 is 373134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (431369) and next prime (431377).

It is not a de Polignac number, because 431373 - 2² = 431369 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431377) 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, 71893 + ... + 71898.

It is an arithmetic number, because the mean of its divisors is an integer number (143792).

2⁴³¹³⁷³ is an apocalyptic number.

It is an amenable number.

431373 is a deficient number, since it is larger than the sum of its proper divisors (143795).

431373 is a wasteful number, since it uses less digits than its factorization.

431373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143794.

The product of its digits is 756, while the sum is 21.

The square root of 431373 is about 656.7899207509. The cubic root of 431373 is about 75.5586725774.

The spelling of 431373 in words is "four hundred thirty-one thousand, three hundred seventy-three".