123030431400 has 96 divisors (see below), whose sum is σ = 403829331840. Its totient is φ = 30878223360.

The previous prime is 123030431351. The next prime is 123030431413. The reversal of 123030431400 is 4134030321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6020704 + ... + 6041103.

It is an arithmetic number, because the mean of its divisors is an integer number (4206555540).

Almost surely, 2^123030431400 is an apocalyptic number.

123030431400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123030431400 is an abundant number, since it is smaller than the sum of its proper divisors (280798900440).

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

123030431400 is a wasteful number, since it uses less digits than its factorization.

123030431400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12061843 (or 12061834 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123030431400 its reverse (4134030321), we get a palindrome (127164461721).

The spelling of 123030431400 in words is "one hundred twenty-three billion, thirty million, four hundred thirty-one thousand, four hundred".