20233011349 has 2 divisors, whose sum is σ = 20233011350. Its totient is φ = 20233011348.

The previous prime is 20233011311. The next prime is 20233011353. The reversal of 20233011349 is 94311033202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16533330724 + 3699680625 = 128582^2 + 60825^2 .

It is a cyclic number.

It is not a de Polignac number, because 20233011349 - 2⁷ = 20233011221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20233011389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116505674 + 10116505675.

It is an arithmetic number, because the mean of its divisors is an integer number (10116505675).

Almost surely, 2^20233011349 is an apocalyptic number.

It is an amenable number.

20233011349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233011349 is an equidigital number, since it uses as much as digits as its factorization.

20233011349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 20233011349 in words is "twenty billion, two hundred thirty-three million, eleven thousand, three hundred forty-nine".