23185349 has 4 divisors (see below), whose sum is σ = 25293120. Its totient is φ = 21077580.

The previous prime is 23185343. The next prime is 23185363. The reversal of 23185349 is 94358132.

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 23185349 - 2¹² = 23181253 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 (23185343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053869 + ... + 1053890.

It is an arithmetic number, because the mean of its divisors is an integer number (6323280).

Almost surely, 2^23185349 is an apocalyptic number.

It is an amenable number.

23185349 is a deficient number, since it is larger than the sum of its proper divisors (2107771).

23185349 is a wasteful number, since it uses less digits than its factorization.

23185349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107770.

The product of its digits is 25920, while the sum is 35.

The square root of 23185349 is about 4815.1167171731. The cubic root of 23185349 is about 285.1485795500.

It can be divided in two parts, 2318 and 5349, that added together give a palindrome (7667).

The spelling of 23185349 in words is "twenty-three million, one hundred eighty-five thousand, three hundred forty-nine".