123202231230 has 32 divisors (see below), whose sum is σ = 318430383264. Its totient is φ = 30326702976.

The previous prime is 123202231133. The next prime is 123202231231. The reversal of 123202231230 is 32132202321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123202231197 and 123202231206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123202231231) 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, 157951189 + ... + 157951968.

It is an arithmetic number, because the mean of its divisors is an integer number (9950949477).

Almost surely, 2^123202231230 is an apocalyptic number.

123202231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123202231230 is an abundant number, since it is smaller than the sum of its proper divisors (195228152034).

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

123202231230 is a wasteful number, since it uses less digits than its factorization.

123202231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315903180.

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

Adding to 123202231230 its reverse (32132202321), we get a palindrome (155334433551).

The spelling of 123202231230 in words is "one hundred twenty-three billion, two hundred two million, two hundred thirty-one thousand, two hundred thirty".