423131347 has 4 divisors (see below), whose sum is σ = 428487520. Its totient is φ = 417775176.

The previous prime is 423131341. The next prime is 423131353. The reversal of 423131347 is 743131324.

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

It is an interprime number because it is at equal distance from previous prime (423131341) and next prime (423131353).

It is a cyclic number.

It is not a de Polignac number, because 423131347 - 2³ = 423131339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423131341) 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, 2677968 + ... + 2678125.

It is an arithmetic number, because the mean of its divisors is an integer number (107121880).

Almost surely, 2^423131347 is an apocalyptic number.

423131347 is a deficient number, since it is larger than the sum of its proper divisors (5356173).

423131347 is an equidigital number, since it uses as much as digits as its factorization.

423131347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356172.

The product of its digits is 6048, while the sum is 28.

The square root of 423131347 is about 20570.1567082023. The cubic root of 423131347 is about 750.7437641021.

It can be divided in two parts, 42313 and 1347, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 423131347 in words is "four hundred twenty-three million, one hundred thirty-one thousand, three hundred forty-seven".