23140343531 has 8 divisors (see below), whose sum is σ = 23318354400. Its totient is φ = 22962635712.

The previous prime is 23140343497. The next prime is 23140343533. The reversal of 23140343531 is 13534304132.

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 23140343531 - 2³⁴ = 5960474347 is a prime.

It is a super-2 number, since 2×23140343531² (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 = 23140343494 and 23140343503.

It is not an unprimeable number, because it can be changed into a prime (23140343533) 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, 78746 + ... + 229088.

It is an arithmetic number, because the mean of its divisors is an integer number (2914794300).

Almost surely, 2^23140343531 is an apocalyptic number.

23140343531 is a deficient number, since it is larger than the sum of its proper divisors (178010869).

23140343531 is a wasteful number, since it uses less digits than its factorization.

23140343531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151525.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 23140343531 its reverse (13534304132), we get a palindrome (36674647663).

The spelling of 23140343531 in words is "twenty-three billion, one hundred forty million, three hundred forty-three thousand, five hundred thirty-one".