33244401223 has 4 divisors (see below), whose sum is σ = 36266619528. Its totient is φ = 30222182920.

The previous prime is 33244401217. The next prime is 33244401241. The reversal of 33244401223 is 32210444233.

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

It is a cyclic number.

It is not a de Polignac number, because 33244401223 - 2⁵ = 33244401191 is a prime.

It is a super-2 number, since 2×33244401223² (a number of 22 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 = 33244401191 and 33244401200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33244401283) 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, 1511109136 + ... + 1511109157.

It is an arithmetic number, because the mean of its divisors is an integer number (9066654882).

Almost surely, 2^33244401223 is an apocalyptic number.

33244401223 is a deficient number, since it is larger than the sum of its proper divisors (3022218305).

33244401223 is a wasteful number, since it uses less digits than its factorization.

33244401223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022218304.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 33244401223 its reverse (32210444233), we get a palindrome (65454845456).

The spelling of 33244401223 in words is "thirty-three billion, two hundred forty-four million, four hundred one thousand, two hundred twenty-three".