1423325231 has 4 divisors (see below), whose sum is σ = 1425702000. Its totient is φ = 1420948464.

The previous prime is 1423325219. The next prime is 1423325237. The reversal of 1423325231 is 1325233241.

It is a happy number.

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 1423325231 - 2³⁰ = 349583407 is a prime.

It is a super-2 number, since 2×1423325231² = 4051709426402406722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423325231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423325237) 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, 1187486 + ... + 1188683.

It is an arithmetic number, because the mean of its divisors is an integer number (356425500).

Almost surely, 2^1423325231 is an apocalyptic number.

1423325231 is a deficient number, since it is larger than the sum of its proper divisors (2376769).

1423325231 is an equidigital number, since it uses as much as digits as its factorization.

1423325231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376768.

The product of its digits is 4320, while the sum is 26.

The square root of 1423325231 is about 37726.9827974621. The cubic root of 1423325231 is about 1124.8675349547.

Adding to 1423325231 its reverse (1325233241), we get a palindrome (2748558472).

The spelling of 1423325231 in words is "one billion, four hundred twenty-three million, three hundred twenty-five thousand, two hundred thirty-one".