23042512474243 has 4 divisors (see below), whose sum is σ = 23081767180920. Its totient is φ = 23003257767568.

The previous prime is 23042512474193. The next prime is 23042512474291. The reversal of 23042512474243 is 34247421524032.

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

It is a cyclic number.

It is not a de Polignac number, because 23042512474243 - 2²¹ = 23042510377091 is a prime.

It is a super-2 number, since 2×23042512474243² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23042512474243.

It is not an unprimeable number, because it can be changed into a prime (23042512474043) 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 3 ways as a sum of consecutive naturals, for example, 19627352458 + ... + 19627353631.

It is an arithmetic number, because the mean of its divisors is an integer number (5770441795230).

Almost surely, 2^{23042512474243} is an apocalyptic number.

23042512474243 is a deficient number, since it is larger than the sum of its proper divisors (39254706677).

23042512474243 is an equidigital number, since it uses as much as digits as its factorization.

23042512474243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39254706676.

The product of its (nonzero) digits is 1290240, while the sum is 43.

Adding to 23042512474243 its reverse (34247421524032), we get a palindrome (57289933998275).

The spelling of 23042512474243 in words is "twenty-three trillion, forty-two billion, five hundred twelve million, four hundred seventy-four thousand, two hundred forty-three".