23140221231 has 8 divisors (see below), whose sum is σ = 30857739184. Its totient is φ = 15424758720.

The previous prime is 23140221217. The next prime is 23140221259. The reversal of 23140221231 is 13212204132.

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

It is not a de Polignac number, because 23140221231 - 2²⁶ = 23073112367 is a prime.

It is a super-2 number, since 2×23140221231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23140221198 and 23140221207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140221431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487396 + ... + 532761.

It is an arithmetic number, because the mean of its divisors is an integer number (3857217398).

Almost surely, 2^23140221231 is an apocalyptic number.

23140221231 is a deficient number, since it is larger than the sum of its proper divisors (7717517953).

23140221231 is a wasteful number, since it uses less digits than its factorization.

23140221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027721.

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

Adding to 23140221231 its reverse (13212204132), we get a palindrome (36352425363).

The spelling of 23140221231 in words is "twenty-three billion, one hundred forty million, two hundred twenty-one thousand, two hundred thirty-one".