23533402 has 8 divisors (see below), whose sum is σ = 36438912. Its totient is φ = 11387100.

The previous prime is 23533397. The next prime is 23533403. The reversal of 23533402 is 20433532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23533403) 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, 189724 + ... + 189847.

It is an arithmetic number, because the mean of its divisors is an integer number (4554864).

Almost surely, 2^23533402 is an apocalyptic number.

23533402 is a deficient number, since it is larger than the sum of its proper divisors (12905510).

23533402 is a wasteful number, since it uses less digits than its factorization.

23533402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379604.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 23533402 is about 4851.1237873301. The cubic root of 23533402 is about 286.5683597172.

Adding to 23533402 its reverse (20433532), we get a palindrome (43966934).

The spelling of 23533402 in words is "twenty-three million, five hundred thirty-three thousand, four hundred two".