23143422313 has 6 divisors (see below), whose sum is σ = 25438637882. Its totient is φ = 21039474720.

The previous prime is 23143422307. The next prime is 23143422331. The reversal of 23143422313 is 31322434132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12705122089 + 10438300224 = 112717^2 + 102168^2 .

It is not a de Polignac number, because 23143422313 - 2¹³ = 23143414121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23143422343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95633856 + ... + 95634097.

Almost surely, 2^23143422313 is an apocalyptic number.

It is an amenable number.

23143422313 is a deficient number, since it is larger than the sum of its proper divisors (2295215569).

23143422313 is a wasteful number, since it uses less digits than its factorization.

23143422313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191267975 (or 191267964 counting only the distinct ones).

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

Adding to 23143422313 its reverse (31322434132), we get a palindrome (54465856445).

The spelling of 23143422313 in words is "twenty-three billion, one hundred forty-three million, four hundred twenty-two thousand, three hundred thirteen".