23293240243 has 8 divisors (see below), whose sum is σ = 28668603488. Its totient is φ = 18429816384.

The previous prime is 23293240231. The next prime is 23293240253. The reversal of 23293240243 is 34204239232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23293240243 is a prime.

It is a super-2 number, since 2×23293240243² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23293240199 and 23293240208.

It is not an unprimeable number, because it can be changed into a prime (23293240253) 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, 127984746 + ... + 127984927.

It is an arithmetic number, because the mean of its divisors is an integer number (3583575436).

Almost surely, 2^23293240243 is an apocalyptic number.

23293240243 is a deficient number, since it is larger than the sum of its proper divisors (5375363245).

23293240243 is a wasteful number, since it uses less digits than its factorization.

23293240243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255969693.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 23293240243 its reverse (34204239232), we get a palindrome (57497479475).

The spelling of 23293240243 in words is "twenty-three billion, two hundred ninety-three million, two hundred forty thousand, two hundred forty-three".