123231200230 has 64 divisors (see below), whose sum is σ = 230527503360. Its totient is φ = 47396275200.

The previous prime is 123231200177. The next prime is 123231200237. The reversal of 123231200230 is 32002132321.

It is a junction number, because it is equal to n+sod(n) for n = 123231200198 and 123231200207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231200237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8528572 + ... + 8543008.

It is an arithmetic number, because the mean of its divisors is an integer number (3601992240).

Almost surely, 2^123231200230 is an apocalyptic number.

123231200230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123231200230 is a deficient number, since it is larger than the sum of its proper divisors (107296303130).

123231200230 is a wasteful number, since it uses less digits than its factorization.

123231200230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14785.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123231200230 its reverse (32002132321), we get a palindrome (155233332551).

The spelling of 123231200230 in words is "one hundred twenty-three billion, two hundred thirty-one million, two hundred thousand, two hundred thirty".