123201223230 has 64 divisors (see below), whose sum is σ = 303740728128. Its totient is φ = 31958737920.

The previous prime is 123201223199. The next prime is 123201223237. The reversal of 123201223230 is 32322102321.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123201223197 and 123201223206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123201223237) 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, 6785244 + ... + 6803376.

It is an arithmetic number, because the mean of its divisors is an integer number (4745948877).

Almost surely, 2^123201223230 is an apocalyptic number.

123201223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123201223230 is an abundant number, since it is smaller than the sum of its proper divisors (180539504898).

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

123201223230 is a wasteful number, since it uses less digits than its factorization.

123201223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24301.

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

Adding to 123201223230 its reverse (32322102321), we get a palindrome (155523325551).

The spelling of 123201223230 in words is "one hundred twenty-three billion, two hundred one million, two hundred twenty-three thousand, two hundred thirty".