1323323100 has 108 divisors (see below), whose sum is σ = 4524996840. Its totient is φ = 320803200.

The previous prime is 1323323021. The next prime is 1323323137. The reversal of 1323323100 is 13233231.

1323323100 is a `hidden beast` number, since 1 + 323 + 32 + 310 + 0 = 666.

It is a super-2 number, since 2×1323323100² = 3502368053987220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 56935 + ... + 76734.

Almost surely, 2^1323323100 is an apocalyptic number.

1323323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323323100 is an abundant number, since it is smaller than the sum of its proper divisors (3201673740).

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

1323323100 is a wasteful number, since it uses less digits than its factorization.

1323323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133700 (or 133690 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1323323100 is about 36377.5081609502. The cubic root of 1323323100 is about 1097.8810724506.

Adding to 1323323100 its reverse (13233231), we get a palindrome (1336556331).

1323323100 divided by its reverse (13233231) gives a square (100 = 10²).

It can be divided in two parts, 1323 and 323100, that added together give a palindrome (324423).

The spelling of 1323323100 in words is "one billion, three hundred twenty-three million, three hundred twenty-three thousand, one hundred".