123200220430 has 32 divisors (see below), whose sum is σ = 268348718016. Its totient is φ = 39755364864.

The previous prime is 123200220421. The next prime is 123200220431. The reversal of 123200220430 is 34022002321.

It is a junction number, because it is equal to n+sod(n) for n = 123200220398 and 123200220407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123200220431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51763609 + ... + 51765988.

It is an arithmetic number, because the mean of its divisors is an integer number (8385897438).

Almost surely, 2^123200220430 is an apocalyptic number.

123200220430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123200220430 is an abundant number, since it is smaller than the sum of its proper divisors (145148497586).

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

123200220430 is a wasteful number, since it uses less digits than its factorization.

123200220430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103529628.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 123200220430 its reverse (34022002321), we get a palindrome (157222222751).

The spelling of 123200220430 in words is "one hundred twenty-three billion, two hundred million, two hundred twenty thousand, four hundred thirty".