23020211233 has 2 divisors, whose sum is σ = 23020211234. Its totient is φ = 23020211232.

The previous prime is 23020211213. The next prime is 23020211267. The reversal of 23020211233 is 33211202032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23013800209 + 6411024 = 151703^2 + 2532^2 .

It is a cyclic number.

It is not a de Polignac number, because 23020211233 - 2²⁵ = 22986656801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23020211233.

It is not a weakly prime, because it can be changed into another prime (23020211213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510105616 + 11510105617.

It is an arithmetic number, because the mean of its divisors is an integer number (11510105617).

Almost surely, 2^23020211233 is an apocalyptic number.

It is an amenable number.

23020211233 is a deficient number, since it is larger than the sum of its proper divisors (1).

23020211233 is an equidigital number, since it uses as much as digits as its factorization.

23020211233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23020211233 its reverse (33211202032), we get a palindrome (56231413265).

The spelling of 23020211233 in words is "twenty-three billion, twenty million, two hundred eleven thousand, two hundred thirty-three".