12323001001020 has 72 divisors (see below), whose sum is σ = 35254159331664. Its totient is φ = 3216215829504.

The previous prime is 12323001001019. The next prime is 12323001001021. The reversal of 12323001001020 is 2010010032321.

It is an interprime number because it is at equal distance from previous prime (12323001001019) and next prime (12323001001021).

It is a super-2 number, since 2×12323001001020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323001001021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46355317 + ... + 46620396.

Almost surely, 2^{12323001001020} is an apocalyptic number.

12323001001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323001001020 is an abundant number, since it is smaller than the sum of its proper divisors (22931158330644).

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

12323001001020 is a wasteful number, since it uses less digits than its factorization.

12323001001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92975819 (or 92975770 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12323001001020 its reverse (2010010032321), we get a palindrome (14333011033341).

The spelling of 12323001001020 in words is "twelve trillion, three hundred twenty-three billion, one million, one thousand, twenty".