423347901 has 12 divisors (see below), whose sum is σ = 566871552. Its totient is φ = 281031288.

The previous prime is 423347893. The next prime is 423347921. The reversal of 423347901 is 109743324.

It is not a de Polignac number, because 423347901 - 2³ = 423347893 is a prime.

It is a super-2 number, since 2×423347901² = 358446890562211602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423347921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 697140 + ... + 697746.

It is an arithmetic number, because the mean of its divisors is an integer number (47239296).

Almost surely, 2^423347901 is an apocalyptic number.

It is an amenable number.

423347901 is a deficient number, since it is larger than the sum of its proper divisors (143523651).

423347901 is an frugal number, since it uses more digits than its factorization.

423347901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 423347901 is about 20575.4198256074. The cubic root of 423347901 is about 750.8718164111.

The spelling of 423347901 in words is "four hundred twenty-three million, three hundred forty-seven thousand, nine hundred one".