23240230243 has 4 divisors (see below), whose sum is σ = 23374567008. Its totient is φ = 23105893480.

The previous prime is 23240230207. The next prime is 23240230259. The reversal of 23240230243 is 34203204232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23240230243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23240230943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67168123 + ... + 67168468.

It is an arithmetic number, because the mean of its divisors is an integer number (5843641752).

Almost surely, 2^23240230243 is an apocalyptic number.

23240230243 is a deficient number, since it is larger than the sum of its proper divisors (134336765).

23240230243 is a wasteful number, since it uses less digits than its factorization.

23240230243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134336764.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 23240230243 its reverse (34203204232), we get a palindrome (57443434475).

The spelling of 23240230243 in words is "twenty-three billion, two hundred forty million, two hundred thirty thousand, two hundred forty-three".