23240343423131 has 2 divisors, whose sum is σ = 23240343423132. Its totient is φ = 23240343423130.

The previous prime is 23240343423091. The next prime is 23240343423133. The reversal of 23240343423131 is 13132434304232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23240343423131 - 2⁶ = 23240343423067 is a prime.

It is a super-2 number, since 2×23240343423131² (a number of 28 digits) contains 22 as substring.

Together with 23240343423133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23240343423091 and 23240343423100.

It is not a weakly prime, because it can be changed into another prime (23240343423133) 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 as a sum of consecutive naturals, namely, 11620171711565 + 11620171711566.

It is an arithmetic number, because the mean of its divisors is an integer number (11620171711566).

Almost surely, 2^{23240343423131} is an apocalyptic number.

23240343423131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23240343423131 is an equidigital number, since it uses as much as digits as its factorization.

23240343423131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 23240343423131 its reverse (13132434304232), we get a palindrome (36372777727363).

The spelling of 23240343423131 in words is "twenty-three trillion, two hundred forty billion, three hundred forty-three million, four hundred twenty-three thousand, one hundred thirty-one".