123452344250 has 64 divisors (see below), whose sum is σ = 236772087552. Its totient is φ = 48172420800.

The previous prime is 123452344229. The next prime is 123452344307. The reversal of 123452344250 is 52443254321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 123452344250.

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, 9163019 + ... + 9176481.

It is an arithmetic number, because the mean of its divisors is an integer number (3699563868).

Almost surely, 2^123452344250 is an apocalyptic number.

123452344250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123452344250 is a deficient number, since it is larger than the sum of its proper divisors (113319743302).

123452344250 is a wasteful number, since it uses less digits than its factorization.

123452344250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14376 (or 14366 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 123452344250 its reverse (52443254321), we get a palindrome (175895598571).

The spelling of 123452344250 in words is "one hundred twenty-three billion, four hundred fifty-two million, three hundred forty-four thousand, two hundred fifty".