345123550530 has 48 divisors (see below), whose sum is σ = 978895891584. Its totient is φ = 83666315040.

The previous prime is 345123550511. The next prime is 345123550553. The reversal of 345123550530 is 35055321543.

345123550530 is a `hidden beast` number, since 3 + 4 + 51 + 2 + 3 + 550 + 53 + 0 = 666.

It is a super-2 number, since 2×345123550530² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174303834 + ... + 174305813.

It is an arithmetic number, because the mean of its divisors is an integer number (20393664408).

Almost surely, 2^345123550530 is an apocalyptic number.

345123550530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345123550530 is an abundant number, since it is smaller than the sum of its proper divisors (633772341054).

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

345123550530 is a wasteful number, since it uses less digits than its factorization.

345123550530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348609671 (or 348609668 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 345123550530 in words is "three hundred forty-five billion, one hundred twenty-three million, five hundred fifty thousand, five hundred thirty".