345400103 has 4 divisors (see below), whose sum is σ = 348820008. Its totient is φ = 341980200.

The previous prime is 345400093. The next prime is 345400151. The reversal of 345400103 is 301004543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345400103 - 2¹⁴ = 345383719 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 (345400163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709801 + ... + 1710002.

It is an arithmetic number, because the mean of its divisors is an integer number (87205002).

Almost surely, 2^345400103 is an apocalyptic number.

345400103 is a deficient number, since it is larger than the sum of its proper divisors (3419905).

345400103 is a wasteful number, since it uses less digits than its factorization.

345400103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419904.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 345400103 is about 18584.9429108620. The cubic root of 345400103 is about 701.6289296009.

Adding to 345400103 its reverse (301004543), we get a palindrome (646404646).

The spelling of 345400103 in words is "three hundred forty-five million, four hundred thousand, one hundred three".