23143333421 has 8 divisors (see below), whose sum is σ = 24925232640. Its totient is φ = 21361668912.

The previous prime is 23143333399. The next prime is 23143333487. The reversal of 23143333421 is 12433334132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23143333421 - 2⁶ = 23143333357 is a prime.

It is a super-5 number, since 5×23143333421⁵ (a number of 53 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143333321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183020 + ... + 282458.

It is an arithmetic number, because the mean of its divisors is an integer number (3115654080).

Almost surely, 2^23143333421 is an apocalyptic number.

It is an amenable number.

23143333421 is a deficient number, since it is larger than the sum of its proper divisors (1781899219).

23143333421 is a wasteful number, since it uses less digits than its factorization.

23143333421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117355.

The product of its digits is 15552, while the sum is 29.

Adding to 23143333421 its reverse (12433334132), we get a palindrome (35576667553).

The spelling of 23143333421 in words is "twenty-three billion, one hundred forty-three million, three hundred thirty-three thousand, four hundred twenty-one".