23143201015 has 16 divisors (see below), whose sum is σ = 30300337440. Its totient is φ = 16829317120.

The previous prime is 23143200991. The next prime is 23143201033. The reversal of 23143201015 is 51010234132.

It is a happy number.

It is not a de Polignac number, because 23143201015 - 2²¹ = 23141103863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520791 + ... + 563479.

It is an arithmetic number, because the mean of its divisors is an integer number (1893771090).

Almost surely, 2^23143201015 is an apocalyptic number.

23143201015 is a deficient number, since it is larger than the sum of its proper divisors (7157136425).

23143201015 is a wasteful number, since it uses less digits than its factorization.

23143201015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52562.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 23143201015 its reverse (51010234132), we get a palindrome (74153435147).

The spelling of 23143201015 in words is "twenty-three billion, one hundred forty-three million, two hundred one thousand, fifteen".