345145550023 has 2 divisors, whose sum is σ = 345145550024. Its totient is φ = 345145550022.

The previous prime is 345145549979. The next prime is 345145550077. The reversal of 345145550023 is 320055541543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345145550023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345145550083) 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, 172572775011 + 172572775012.

It is an arithmetic number, because the mean of its divisors is an integer number (172572775012).

Almost surely, 2^345145550023 is an apocalyptic number.

345145550023 is a deficient number, since it is larger than the sum of its proper divisors (1).

345145550023 is an equidigital number, since it uses as much as digits as its factorization.

345145550023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 345145550023 in words is "three hundred forty-five billion, one hundred forty-five million, five hundred fifty thousand, twenty-three".