1323223002312 has 32 divisors (see below), whose sum is σ = 3310039665600. Its totient is φ = 440810046144.

The previous prime is 1323223002307. The next prime is 1323223002331. The reversal of 1323223002312 is 2132003223231.

It is a super-2 number, since 2×1323223002312² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16477108 + ... + 16557219.

It is an arithmetic number, because the mean of its divisors is an integer number (103438739550).

Almost surely, 2^{1323223002312} is an apocalyptic number.

1323223002312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323223002312 is an abundant number, since it is smaller than the sum of its proper divisors (1986816663288).

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

1323223002312 is a wasteful number, since it uses less digits than its factorization.

1323223002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33036005 (or 33036001 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1323223002312 its reverse (2132003223231), we get a palindrome (3455226225543).

The spelling of 1323223002312 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-three million, two thousand, three hundred twelve".