123201231330 has 32 divisors (see below), whose sum is σ = 295725945600. Its totient is φ = 32848884992.

The previous prime is 123201231253. The next prime is 123201231379. The reversal of 123201231330 is 33132102321.

It is a junction number, because it is equal to n+sod(n) for n = 123201231297 and 123201231306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86295 + ... + 503834.

It is an arithmetic number, because the mean of its divisors is an integer number (9241435800).

Almost surely, 2^123201231330 is an apocalyptic number.

123201231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123201231330 is an abundant number, since it is smaller than the sum of its proper divisors (172524714270).

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

123201231330 is a wasteful number, since it uses less digits than its factorization.

123201231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597098.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123201231330 its reverse (33132102321), we get a palindrome (156333333651).

The spelling of 123201231330 in words is "one hundred twenty-three billion, two hundred one million, two hundred thirty-one thousand, three hundred thirty".