123202321230 has 32 divisors (see below), whose sum is σ = 295706342304. Its totient is φ = 32851644416.

The previous prime is 123202321217. The next prime is 123202321267. The reversal of 123202321230 is 32123202321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123202321197 and 123202321206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313774 + ... + 587246.

It is an arithmetic number, because the mean of its divisors is an integer number (9240823197).

Almost surely, 2^123202321230 is an apocalyptic number.

123202321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123202321230 is an abundant number, since it is smaller than the sum of its proper divisors (172504021074).

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

123202321230 is a wasteful number, since it uses less digits than its factorization.

123202321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288500.

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

Adding to 123202321230 its reverse (32123202321), we get a palindrome (155325523551).

The spelling of 123202321230 in words is "one hundred twenty-three billion, two hundred two million, three hundred twenty-one thousand, two hundred thirty".