23240443539 has 8 divisors (see below), whose sum is σ = 31040049600. Its totient is φ = 15467233256.

The previous prime is 23240443507. The next prime is 23240443547. The reversal of 23240443539 is 93534404232.

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 23240443539 - 2⁵ = 23240443507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23240443497 and 23240443506.

It is not an unprimeable number, because it can be changed into a prime (23240442539) 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, 6596889 + ... + 6600410.

It is an arithmetic number, because the mean of its divisors is an integer number (3880006200).

Almost surely, 2^23240443539 is an apocalyptic number.

23240443539 is a deficient number, since it is larger than the sum of its proper divisors (7799606061).

23240443539 is a wasteful number, since it uses less digits than its factorization.

23240443539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13197889.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 23240443539 in words is "twenty-three billion, two hundred forty million, four hundred forty-three thousand, five hundred thirty-nine".