340305503023 has 2 divisors, whose sum is σ = 340305503024. Its totient is φ = 340305503022.

The previous prime is 340305503011. The next prime is 340305503047. The reversal of 340305503023 is 320305503043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340305503023 - 2²⁵ = 340271948591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340305502982 and 340305503000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340305503003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170152751511 + 170152751512.

It is an arithmetic number, because the mean of its divisors is an integer number (170152751512).

Almost surely, 2^340305503023 is an apocalyptic number.

340305503023 is a deficient number, since it is larger than the sum of its proper divisors (1).

340305503023 is an equidigital number, since it uses as much as digits as its factorization.

340305503023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 28.

The spelling of 340305503023 in words is "three hundred forty billion, three hundred five million, five hundred three thousand, twenty-three".