123233211320 has 64 divisors (see below), whose sum is σ = 286892215200. Its totient is φ = 47584176640.

The previous prime is 123233211313. The next prime is 123233211331. The reversal of 123233211320 is 23112332321.

It is a super-2 number, since 2×123233211320² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 10279730 + ... + 10291710.

Almost surely, 2^123233211320 is an apocalyptic number.

123233211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123233211320 is an abundant number, since it is smaller than the sum of its proper divisors (163659003880).

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

123233211320 is a wasteful number, since it uses less digits than its factorization.

123233211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20888 (or 20884 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123233211320 its reverse (23112332321), we get a palindrome (146345543641).

The spelling of 123233211320 in words is "one hundred twenty-three billion, two hundred thirty-three million, two hundred eleven thousand, three hundred twenty".