23243431031231 has 8 divisors (see below), whose sum is σ = 23655191960400. Its totient is φ = 22832661104640.

The previous prime is 23243431031189. The next prime is 23243431031269. The reversal of 23243431031231 is 13213013434232.

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 23243431031231 - 2¹⁰ = 23243431030207 is a prime.

It is a super-2 number, since 2×23243431031231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23243431531231) 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, 247703321 + ... + 247797138.

It is an arithmetic number, because the mean of its divisors is an integer number (2956898995050).

Almost surely, 2^{23243431031231} is an apocalyptic number.

23243431031231 is a deficient number, since it is larger than the sum of its proper divisors (411760929169).

23243431031231 is an equidigital number, since it uses as much as digits as its factorization.

23243431031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495501289.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 23243431031231 its reverse (13213013434232), we get a palindrome (36456444465463).

The spelling of 23243431031231 in words is "twenty-three trillion, two hundred forty-three billion, four hundred thirty-one million, thirty-one thousand, two hundred thirty-one".