23531042343 has 16 divisors (see below), whose sum is σ = 31972340736. Its totient is φ = 15388657440.

The previous prime is 23531042333. The next prime is 23531042351. The reversal of 23531042343 is 34324013532.

It is not a de Polignac number, because 23531042343 - 2¹² = 23531038247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23531042343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23531042333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312546 + ... + 1330352.

It is an arithmetic number, because the mean of its divisors is an integer number (1998271296).

Almost surely, 2^23531042343 is an apocalyptic number.

23531042343 is a deficient number, since it is larger than the sum of its proper divisors (8441298393).

23531042343 is a wasteful number, since it uses less digits than its factorization.

23531042343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26174.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 23531042343 its reverse (34324013532), we get a palindrome (57855055875).

The spelling of 23531042343 in words is "twenty-three billion, five hundred thirty-one million, forty-two thousand, three hundred forty-three".