345871770203 has 2 divisors, whose sum is σ = 345871770204. Its totient is φ = 345871770202.

The previous prime is 345871770191. The next prime is 345871770247. The reversal of 345871770203 is 302077178543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345871770203 is a prime.

It is a super-2 number, since 2×345871770203² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345871776203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172935885101 + 172935885102.

It is an arithmetic number, because the mean of its divisors is an integer number (172935885102).

Almost surely, 2^345871770203 is an apocalyptic number.

345871770203 is a deficient number, since it is larger than the sum of its proper divisors (1).

345871770203 is an equidigital number, since it uses as much as digits as its factorization.

345871770203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 345871770203 in words is "three hundred forty-five billion, eight hundred seventy-one million, seven hundred seventy thousand, two hundred three".