23231423143 has 2 divisors, whose sum is σ = 23231423144. Its totient is φ = 23231423142.

The previous prime is 23231423119. The next prime is 23231423179. The reversal of 23231423143 is 34132413232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23231423143 - 2²¹ = 23229325991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23231423543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615711571 + 11615711572.

It is an arithmetic number, because the mean of its divisors is an integer number (11615711572).

Almost surely, 2^23231423143 is an apocalyptic number.

23231423143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231423143 is an equidigital number, since it uses as much as digits as its factorization.

23231423143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

Adding to 23231423143 its reverse (34132413232), we get a palindrome (57363836375).

The spelling of 23231423143 in words is "twenty-three billion, two hundred thirty-one million, four hundred twenty-three thousand, one hundred forty-three".