23231150143 has 4 divisors (see below), whose sum is σ = 23400720720. Its totient is φ = 23061579568.

The previous prime is 23231150123. The next prime is 23231150149. The reversal of 23231150143 is 34105113232.

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 23231150143 - 2³³ = 14641215551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231150149) 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, 84785083 + ... + 84785356.

It is an arithmetic number, because the mean of its divisors is an integer number (5850180180).

Almost surely, 2^23231150143 is an apocalyptic number.

23231150143 is a deficient number, since it is larger than the sum of its proper divisors (169570577).

23231150143 is a wasteful number, since it uses less digits than its factorization.

23231150143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169570576.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 23231150143 its reverse (34105113232), we get a palindrome (57336263375).

The spelling of 23231150143 in words is "twenty-three billion, two hundred thirty-one million, one hundred fifty thousand, one hundred forty-three".