423004240231 has 4 divisors (see below), whose sum is σ = 433321416864. Its totient is φ = 412687063600.

The previous prime is 423004240213. The next prime is 423004240249. The reversal of 423004240231 is 132042400324.

It is a happy number.

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 (423004240213) and next prime (423004240249).

It is a cyclic number.

It is not a de Polignac number, because 423004240231 - 2⁹ = 423004239719 is a prime.

It is a super-2 number, since 2×423004240231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423004240196 and 423004240205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423004240291) 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, 5158588255 + ... + 5158588336.

It is an arithmetic number, because the mean of its divisors is an integer number (108330354216).

Almost surely, 2^423004240231 is an apocalyptic number.

423004240231 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

423004240231 is a deficient number, since it is larger than the sum of its proper divisors (10317176633).

423004240231 is a wasteful number, since it uses less digits than its factorization.

423004240231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10317176632.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 423004240231 its reverse (132042400324), we get a palindrome (555046640555).

The spelling of 423004240231 in words is "four hundred twenty-three billion, four million, two hundred forty thousand, two hundred thirty-one".