23233220001 has 24 divisors (see below), whose sum is σ = 33793517160. Its totient is φ = 15380741376.

The previous prime is 23233219903. The next prime is 23233220053. The reversal of 23233220001 is 10002233232.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3016645776 + 20216574225 = 54924^2 + 142185^2 .

It is not a de Polignac number, because 23233220001 - 2²⁹ = 22696349089 is a prime.

It is a super-2 number, since 2×23233220001² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23233220201) 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, 2896885 + ... + 2904893.

It is an arithmetic number, because the mean of its divisors is an integer number (1408063215).

Almost surely, 2^23233220001 is an apocalyptic number.

It is an amenable number.

23233220001 is a deficient number, since it is larger than the sum of its proper divisors (10560297159).

23233220001 is a wasteful number, since it uses less digits than its factorization.

23233220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10225 (or 10222 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23233220001 its reverse (10002233232), we get a palindrome (33235453233).

The spelling of 23233220001 in words is "twenty-three billion, two hundred thirty-three million, two hundred twenty thousand, one".