23211033001 has 12 divisors (see below), whose sum is σ = 25427396932. Its totient is φ = 21062382624.

The previous prime is 23211032993. The next prime is 23211033019. The reversal of 23211033001 is 10033011232.

It can be written as a sum of positive squares in 2 ways, for example, as 13386258601 + 9824774400 = 115699^2 + 99120^2 .

It is not a de Polignac number, because 23211033001 - 2³ = 23211032993 is a prime.

It is a super-2 number, since 2×23211033001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23211033401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211206 + ... + 301711.

Almost surely, 2^23211033001 is an apocalyptic number.

It is an amenable number.

23211033001 is a deficient number, since it is larger than the sum of its proper divisors (2216363931).

23211033001 is an equidigital number, since it uses as much as digits as its factorization.

23211033001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513048 (or 512989 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 23211033001 its reverse (10033011232), we get a palindrome (33244044233).

The spelling of 23211033001 in words is "twenty-three billion, two hundred eleven million, thirty-three thousand, one".