345043402104 has 128 divisors (see below), whose sum is σ = 969216192000. Its totient is φ = 101787316224.

The previous prime is 345043402097. The next prime is 345043402141. The reversal of 345043402104 is 401204340543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242052 + ... + 865260.

It is an arithmetic number, because the mean of its divisors is an integer number (7572001500).

Almost surely, 2^345043402104 is an apocalyptic number.

345043402104 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345043402104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484608096000).

345043402104 is an abundant number, since it is smaller than the sum of its proper divisors (624172789896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345043402104 is a wasteful number, since it uses less digits than its factorization.

345043402104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623317 (or 623313 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 345043402104 its reverse (401204340543), we get a palindrome (746247742647).

The spelling of 345043402104 in words is "three hundred forty-five billion, forty-three million, four hundred two thousand, one hundred four".