345510450302123 has 32 divisors (see below), whose sum is σ = 391292717587200. Its totient is φ = 303119031942144.

The previous prime is 345510450302111. The next prime is 345510450302197. The reversal of 345510450302123 is 321203054015543.

It is a cyclic number.

It is not a de Polignac number, because 345510450302123 - 2⁴ = 345510450302107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345510450802123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9231548 + ... + 27861126.

It is an arithmetic number, because the mean of its divisors is an integer number (12227897424600).

Almost surely, 2^{345510450302123} is an apocalyptic number.

345510450302123 is a deficient number, since it is larger than the sum of its proper divisors (45782267285077).

345510450302123 is a wasteful number, since it uses less digits than its factorization.

345510450302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18630539.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 345510450302123 in words is "three hundred forty-five trillion, five hundred ten billion, four hundred fifty million, three hundred two thousand, one hundred twenty-three".