423542373 has 4 divisors (see below), whose sum is σ = 564723168. Its totient is φ = 282361580.

The previous prime is 423542363. The next prime is 423542387. The reversal of 423542373 is 373245324.

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 a cyclic number.

It is not a de Polignac number, because 423542373 - 2⁸ = 423542117 is a prime.

It is a super-2 number, since 2×423542373² = 358776283452942258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423542363) 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, 70590393 + ... + 70590398.

It is an arithmetic number, because the mean of its divisors is an integer number (141180792).

Almost surely, 2^423542373 is an apocalyptic number.

It is an amenable number.

423542373 is a deficient number, since it is larger than the sum of its proper divisors (141180795).

423542373 is a wasteful number, since it uses less digits than its factorization.

423542373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141180794.

The product of its digits is 60480, while the sum is 33.

The square root of 423542373 is about 20580.1451161064. The cubic root of 423542373 is about 750.9867740222.

Adding to 423542373 its reverse (373245324), we get a palindrome (796787697).

The spelling of 423542373 in words is "four hundred twenty-three million, five hundred forty-two thousand, three hundred seventy-three".