23202211220233 has 4 divisors (see below), whose sum is σ = 23202253685268. Its totient is φ = 23202168755200.

The previous prime is 23202211220231. The next prime is 23202211220281. The reversal of 23202211220233 is 33202211220232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12163158455184 + 11039052765049 = 3487572^2 + 3322507^2 .

It is a cyclic number.

It is not a de Polignac number, because 23202211220233 - 2¹ = 23202211220231 is a prime.

It is a super-2 number, since 2×23202211220233² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23202211220198 and 23202211220207.

It is not an unprimeable number, because it can be changed into a prime (23202211220231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20402116 + ... + 21509317.

It is an arithmetic number, because the mean of its divisors is an integer number (5800563421317).

Almost surely, 2^{23202211220233} is an apocalyptic number.

It is an amenable number.

23202211220233 is a deficient number, since it is larger than the sum of its proper divisors (42465035).

23202211220233 is an equidigital number, since it uses as much as digits as its factorization.

23202211220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42465034.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23202211220233 its reverse (33202211220232), we get a palindrome (56404422440465).

Subtracting 23202211220233 from its reverse (33202211220232), we obtain a palindrome (9999999999999).

The spelling of 23202211220233 in words is "twenty-three trillion, two hundred two billion, two hundred eleven million, two hundred twenty thousand, two hundred thirty-three".