20231123200 has 108 divisors (see below), whose sum is σ = 50175417040. Its totient is φ = 8076257280.

The previous prime is 20231123179. The next prime is 20231123243. The reversal of 20231123200 is 232113202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3497911 + ... + 3503689.

Almost surely, 2^20231123200 is an apocalyptic number.

20231123200 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 20231123200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25087708520).

20231123200 is an abundant number, since it is smaller than the sum of its proper divisors (29944293840).

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

20231123200 is an equidigital number, since it uses as much as digits as its factorization.

20231123200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352 (or 6333 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20231123200 its reverse (232113202), we get a palindrome (20463236402).

The spelling of 20231123200 in words is "twenty billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred".