1200431423030 has 48 divisors (see below), whose sum is σ = 2537959975200. Its totient is φ = 407580582528.

The previous prime is 1200431422847. The next prime is 1200431423039. The reversal of 1200431423030 is 303241340021.

It is a junction number, because it is equal to n+sod(n) for n = 1200431422987 and 1200431423005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200431423039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11842055 + ... + 11942994.

It is an arithmetic number, because the mean of its divisors is an integer number (52874166150).

Almost surely, 2^{1200431423030} is an apocalyptic number.

1200431423030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200431423030 is an abundant number, since it is smaller than the sum of its proper divisors (1337528552170).

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

1200431423030 is a wasteful number, since it uses less digits than its factorization.

1200431423030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23785173 (or 23785166 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1200431423030 its reverse (303241340021), we get a palindrome (1503672763051).

The spelling of 1200431423030 in words is "one trillion, two hundred billion, four hundred thirty-one million, four hundred twenty-three thousand, thirty".