23220201491200 has 216 divisors, whose sum is σ = 65776878308960. Its totient is φ = 7949972275200.

The previous prime is 23220201491197. The next prime is 23220201491203. The reversal of 23220201491200 is 219410202232.

It is an interprime number because it is at equal distance from previous prime (23220201491197) and next prime (23220201491203).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (23220201491203) 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, 31397680 + ... + 32128720.

Almost surely, 2^{23220201491200} is an apocalyptic number.

23220201491200 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 23220201491200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32888439154480).

23220201491200 is an abundant number, since it is smaller than the sum of its proper divisors (42556676817760).

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

23220201491200 is an equidigital number, since it uses as much as digits as its factorization.

23220201491200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731783 (or 731764 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 23220201491200 its reverse (219410202232), we get a palindrome (23439611693432).

The spelling of 23220201491200 in words is "twenty-three trillion, two hundred twenty billion, two hundred one million, four hundred ninety-one thousand, two hundred".