423907351 has 4 divisors (see below), whose sum is σ = 484465552. Its totient is φ = 363349152.

The previous prime is 423907343. The next prime is 423907391. The reversal of 423907351 is 153709324.

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

It is a cyclic number.

It is not a de Polignac number, because 423907351 - 2³ = 423907343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423907321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30279090 + ... + 30279103.

It is an arithmetic number, because the mean of its divisors is an integer number (121116388).

Almost surely, 2^423907351 is an apocalyptic number.

423907351 is a deficient number, since it is larger than the sum of its proper divisors (60558201).

423907351 is an equidigital number, since it uses as much as digits as its factorization.

423907351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60558200.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 423907351 is about 20589.0104424666. The cubic root of 423907351 is about 751.2024273426.

The spelling of 423907351 in words is "four hundred twenty-three million, nine hundred seven thousand, three hundred fifty-one".