345421706303 has 12 divisors (see below), whose sum is σ = 351634419864. Its totient is φ = 339316696800.

The previous prime is 345421706299. The next prime is 345421706321. The reversal of 345421706303 is 303607124543.

It is not a de Polignac number, because 345421706303 - 2² = 345421706299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345421706363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2816288 + ... + 2936378.

It is an arithmetic number, because the mean of its divisors is an integer number (29302868322).

Almost surely, 2^345421706303 is an apocalyptic number.

345421706303 is a deficient number, since it is larger than the sum of its proper divisors (6212713561).

345421706303 is an equidigital number, since it uses as much as digits as its factorization.

345421706303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120986 (or 120925 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 345421706303 in words is "three hundred forty-five billion, four hundred twenty-one million, seven hundred six thousand, three hundred three".