23032001131320 has 128 divisors (see below), whose sum is σ = 73186154000640. Its totient is φ = 5778551654400.

The previous prime is 23032001131309. The next prime is 23032001131333. The reversal of 23032001131320 is 2313110023032.

It is a super-2 number, since 2×23032001131320² (a number of 28 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 31 ways as a sum of consecutive naturals, for example, 3835999 + ... + 7796081.

It is an arithmetic number, because the mean of its divisors is an integer number (571766828130).

Almost surely, 2^{23032001131320} is an apocalyptic number.

23032001131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23032001131320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36593077000320).

23032001131320 is an abundant number, since it is smaller than the sum of its proper divisors (50154152869320).

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

23032001131320 is a wasteful number, since it uses less digits than its factorization.

23032001131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962965 (or 3962961 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23032001131320 its reverse (2313110023032), we get a palindrome (25345111154352).

The spelling of 23032001131320 in words is "twenty-three trillion, thirty-two billion, one million, one hundred thirty-one thousand, three hundred twenty".