21433440322233 has 6 divisors (see below), whose sum is σ = 30959413798794. Its totient is φ = 14288960214816.

The previous prime is 21433440322223. The next prime is 21433440322243. The reversal of 21433440322233 is 33222304433412.

21433440322233 is a `hidden beast` number, since 2 + 14 + 3 + 3 + 4 + 403 + 2 + 2 + 233 = 666.

It is an interprime number because it is at equal distance from previous prime (21433440322223) and next prime (21433440322243).

It can be written as a sum of positive squares in only one way, i.e., 10943148489849 + 10490291832384 = 3308043^2 + 3238872^2 .

It is not a de Polignac number, because 21433440322233 - 2³³ = 21424850387641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21433440322223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1190746684560 + ... + 1190746684577.

It is an arithmetic number, because the mean of its divisors is an integer number (5159902299799).

Almost surely, 2^{21433440322233} is an apocalyptic number.

It is an amenable number.

21433440322233 is a deficient number, since it is larger than the sum of its proper divisors (9525973476561).

21433440322233 is a wasteful number, since it uses less digits than its factorization.

21433440322233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381493369143 (or 2381493369140 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 21433440322233 its reverse (33222304433412), we get a palindrome (54655744755645).

The spelling of 21433440322233 in words is "twenty-one trillion, four hundred thirty-three billion, four hundred forty million, three hundred twenty-two thousand, two hundred thirty-three".