23443302133 has 4 divisors (see below), whose sum is σ = 24677160160. Its totient is φ = 22209444108.

The previous prime is 23443302131. The next prime is 23443302187. The reversal of 23443302133 is 33120334432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23443302133 - 2¹ = 23443302131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23443302131) 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, 616928985 + ... + 616929022.

It is an arithmetic number, because the mean of its divisors is an integer number (6169290040).

Almost surely, 2^23443302133 is an apocalyptic number.

It is an amenable number.

23443302133 is a deficient number, since it is larger than the sum of its proper divisors (1233858027).

23443302133 is a wasteful number, since it uses less digits than its factorization.

23443302133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233858026.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 23443302133 its reverse (33120334432), we get a palindrome (56563636565).

The spelling of 23443302133 in words is "twenty-three billion, four hundred forty-three million, three hundred two thousand, one hundred thirty-three".