23143322013 has 16 divisors (see below), whose sum is σ = 36086155776. Its totient is φ = 12917202480.

The previous prime is 23143321969. The next prime is 23143322017. The reversal of 23143322013 is 31022334132.

It is not a de Polignac number, because 23143322013 - 2⁸ = 23143321757 is a prime.

It is a super-2 number, since 2×23143322013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143322017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12813783 + ... + 12815588.

It is an arithmetic number, because the mean of its divisors is an integer number (2255384736).

Almost surely, 2^23143322013 is an apocalyptic number.

It is an amenable number.

23143322013 is a deficient number, since it is larger than the sum of its proper divisors (12942833763).

23143322013 is a wasteful number, since it uses less digits than its factorization.

23143322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25629424.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 23143322013 its reverse (31022334132), we get a palindrome (54165656145).

The spelling of 23143322013 in words is "twenty-three billion, one hundred forty-three million, three hundred twenty-two thousand, thirteen".