211233202423 has 2 divisors, whose sum is σ = 211233202424. Its totient is φ = 211233202422.

The previous prime is 211233202393. The next prime is 211233202459. The reversal of 211233202423 is 324202332112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211233202423 - 2²⁵ = 211199647991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211233002423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105616601211 + 105616601212.

It is an arithmetic number, because the mean of its divisors is an integer number (105616601212).

Almost surely, 2^211233202423 is an apocalyptic number.

211233202423 is a deficient number, since it is larger than the sum of its proper divisors (1).

211233202423 is an equidigital number, since it uses as much as digits as its factorization.

211233202423 is an evil number, because the sum of its binary digits is even.

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

Adding to 211233202423 its reverse (324202332112), we get a palindrome (535435534535).

The spelling of 211233202423 in words is "two hundred eleven billion, two hundred thirty-three million, two hundred two thousand, four hundred twenty-three".