23131431343 has 8 divisors (see below), whose sum is σ = 23159945088. Its totient is φ = 23102938584.

The previous prime is 23131431317. The next prime is 23131431359. The reversal of 23131431343 is 34313413132.

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 23131431343 - 2¹³ = 23131423151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131431643) 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, 3396780 + ... + 3403582.

It is an arithmetic number, because the mean of its divisors is an integer number (2894993136).

Almost surely, 2^23131431343 is an apocalyptic number.

23131431343 is a deficient number, since it is larger than the sum of its proper divisors (28513745).

23131431343 is a wasteful number, since it uses less digits than its factorization.

23131431343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10493.

The product of its digits is 7776, while the sum is 28.

Adding to 23131431343 its reverse (34313413132), we get a palindrome (57444844475).

The spelling of 23131431343 in words is "twenty-three billion, one hundred thirty-one million, four hundred thirty-one thousand, three hundred forty-three".