23712154243 has 2 divisors, whose sum is σ = 23712154244. Its totient is φ = 23712154242.

The previous prime is 23712154199. The next prime is 23712154289. The reversal of 23712154243 is 34245121732.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23712154243 - 2¹⁷ = 23712023171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23712154199 and 23712154208.

It is not a weakly prime, because it can be changed into another prime (23712154043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11856077121 + 11856077122.

It is an arithmetic number, because the mean of its divisors is an integer number (11856077122).

Almost surely, 2^23712154243 is an apocalyptic number.

23712154243 is a deficient number, since it is larger than the sum of its proper divisors (1).

23712154243 is an equidigital number, since it uses as much as digits as its factorization.

23712154243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 34.

Adding to 23712154243 its reverse (34245121732), we get a palindrome (57957275975).

The spelling of 23712154243 in words is "twenty-three billion, seven hundred twelve million, one hundred fifty-four thousand, two hundred forty-three".