423372943 has 16 divisors (see below), whose sum is σ = 501526080. Its totient is φ = 349687296.

The previous prime is 423372931. The next prime is 423372973. The reversal of 423372943 is 349273324.

It is not a de Polignac number, because 423372943 - 2²⁵ = 389818511 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 (423372973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118621 + ... + 122137.

It is an arithmetic number, because the mean of its divisors is an integer number (31345380).

Almost surely, 2^423372943 is an apocalyptic number.

423372943 is a deficient number, since it is larger than the sum of its proper divisors (78153137).

423372943 is a wasteful number, since it uses less digits than its factorization.

423372943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146.

The product of its digits is 108864, while the sum is 37.

The square root of 423372943 is about 20576.0283582620. The cubic root of 423372943 is about 750.8866213829.

The spelling of 423372943 in words is "four hundred twenty-three million, three hundred seventy-two thousand, nine hundred forty-three".