340431410203123 has 2 divisors, whose sum is σ = 340431410203124. Its totient is φ = 340431410203122.

The previous prime is 340431410203019. The next prime is 340431410203139. The reversal of 340431410203123 is 321302014134043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340431410203123 is a prime.

It is not a weakly prime, because it can be changed into another prime (340431410203163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170215705101561 + 170215705101562.

It is an arithmetic number, because the mean of its divisors is an integer number (170215705101562).

Almost surely, 2^{340431410203123} is an apocalyptic number.

340431410203123 is a deficient number, since it is larger than the sum of its proper divisors (1).

340431410203123 is an equidigital number, since it uses as much as digits as its factorization.

340431410203123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 340431410203123 its reverse (321302014134043), we get a palindrome (661733424337166).

The spelling of 340431410203123 in words is "three hundred forty trillion, four hundred thirty-one billion, four hundred ten million, two hundred three thousand, one hundred twenty-three".