23423013404039 has 2 divisors, whose sum is σ = 23423013404040. Its totient is φ = 23423013404038.

The previous prime is 23423013403997. The next prime is 23423013404047. The reversal of 23423013404039 is 93040431032432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23423013404039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23423013403993 and 23423013404011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23423013404069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11711506702019 + 11711506702020.

It is an arithmetic number, because the mean of its divisors is an integer number (11711506702020).

Almost surely, 2^{23423013404039} is an apocalyptic number.

23423013404039 is a deficient number, since it is larger than the sum of its proper divisors (1).

23423013404039 is an equidigital number, since it uses as much as digits as its factorization.

23423013404039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 23423013404039 in words is "twenty-three trillion, four hundred twenty-three billion, thirteen million, four hundred four thousand, thirty-nine".