23143104021 has 32 divisors (see below), whose sum is σ = 31516531200. Its totient is φ = 15102521280.

The previous prime is 23143104013. The next prime is 23143104029. The reversal of 23143104021 is 12040134132.

It is an interprime number because it is at equal distance from previous prime (23143104013) and next prime (23143104029).

It is not a de Polignac number, because 23143104021 - 2³ = 23143104013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143104029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35118190 + ... + 35118848.

It is an arithmetic number, because the mean of its divisors is an integer number (984891600).

Almost surely, 2^23143104021 is an apocalyptic number.

It is an amenable number.

23143104021 is a deficient number, since it is larger than the sum of its proper divisors (8373427179).

23143104021 is a wasteful number, since it uses less digits than its factorization.

23143104021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23143104021 its reverse (12040134132), we get a palindrome (35183238153).

The spelling of 23143104021 in words is "twenty-three billion, one hundred forty-three million, one hundred four thousand, twenty-one".