23434311343439 has 2 divisors, whose sum is σ = 23434311343440. Its totient is φ = 23434311343438.

The previous prime is 23434311343427. The next prime is 23434311343459. The reversal of 23434311343439 is 93434311343432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23434311343439 - 2²⁸ = 23434042907983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23434311343393 and 23434311343402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23434311343459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11717155671719 + 11717155671720.

It is an arithmetic number, because the mean of its divisors is an integer number (11717155671720).

Almost surely, 2^{23434311343439} is an apocalyptic number.

23434311343439 is a deficient number, since it is larger than the sum of its proper divisors (1).

23434311343439 is an equidigital number, since it uses as much as digits as its factorization.

23434311343439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 47.

The spelling of 23434311343439 in words is "twenty-three trillion, four hundred thirty-four billion, three hundred eleven million, three hundred forty-three thousand, four hundred thirty-nine".