123030315400 has 48 divisors (see below), whose sum is σ = 293022221940. Its totient is φ = 48011827200.

The previous prime is 123030315379. The next prime is 123030315413. The reversal of 123030315400 is 4513030321.

It can be written as a sum of positive squares in 6 ways, for example, as 23304464964 + 99725850436 = 152658^2 + 315794^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7493649 + ... + 7510048.

Almost surely, 2^123030315400 is an apocalyptic number.

123030315400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123030315400 is an abundant number, since it is smaller than the sum of its proper divisors (169991906540).

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

123030315400 is a wasteful number, since it uses less digits than its factorization.

123030315400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15003754 (or 15003745 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 123030315400 its reverse (4513030321), we get a palindrome (127543345721).

The spelling of 123030315400 in words is "one hundred twenty-three billion, thirty million, three hundred fifteen thousand, four hundred".