23105433 has 16 divisors (see below), whose sum is σ = 33284160. Its totient is φ = 14172864.

The previous prime is 23105429. The next prime is 23105437. The reversal of 23105433 is 33450132.

It is an interprime number because it is at equal distance from previous prime (23105429) and next prime (23105437).

It is not a de Polignac number, because 23105433 - 2² = 23105429 is a prime.

It is a super-2 number, since 2×23105433² = 1067722068234978, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23105437) 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, 14410 + ... + 15932.

It is an arithmetic number, because the mean of its divisors is an integer number (2080260).

Almost surely, 2^23105433 is an apocalyptic number.

It is an amenable number.

23105433 is a deficient number, since it is larger than the sum of its proper divisors (10178727).

23105433 is a wasteful number, since it uses less digits than its factorization.

23105433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 23105433 is about 4806.8111050883. The cubic root of 23105433 is about 284.8205826730.

Adding to 23105433 its reverse (33450132), we get a palindrome (56555565).

The spelling of 23105433 in words is "twenty-three million, one hundred five thousand, four hundred thirty-three".