23442133 has 16 divisors (see below), whose sum is σ = 29163456. Its totient is φ = 18512640.

The previous prime is 23442113. The next prime is 23442137. The reversal of 23442133 is 33124432.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23442133 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 (23442137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2391 + ... + 7252.

It is an arithmetic number, because the mean of its divisors is an integer number (1822716).

Almost surely, 2^23442133 is an apocalyptic number.

It is an amenable number.

23442133 is a deficient number, since it is larger than the sum of its proper divisors (5721323).

23442133 is a wasteful number, since it uses less digits than its factorization.

23442133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9684.

The product of its digits is 1728, while the sum is 22.

The square root of 23442133 is about 4841.7076532975. The cubic root of 23442133 is about 286.1974161465.

Adding to 23442133 its reverse (33124432), we get a palindrome (56566565).

The spelling of 23442133 in words is "twenty-three million, four hundred forty-two thousand, one hundred thirty-three".