1223023323100 has 36 divisors (see below), whose sum is σ = 2654630481664. Its totient is φ = 489085850880.

The previous prime is 1223023323043. The next prime is 1223023323107. The reversal of 1223023323100 is 13233203221.

It is a super-2 number, since 2×1223023323100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223023323107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1144797 + ... + 1938196.

Almost surely, 2^{1223023323100} is an apocalyptic number.

1223023323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223023323100 is an abundant number, since it is smaller than the sum of its proper divisors (1431607158564).

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

1223023323100 is a wasteful number, since it uses less digits than its factorization.

1223023323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086974 (or 3086967 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1223023323100 its reverse (13233203221), we get a palindrome (1236256526321).

The spelling of 1223023323100 in words is "one trillion, two hundred twenty-three billion, twenty-three million, three hundred twenty-three thousand, one hundred".