33423253 has 8 divisors (see below), whose sum is σ = 33893568. Its totient is φ = 32956224.

The previous prime is 33423227. The next prime is 33423263. The reversal of 33423253 is 35232433.

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

It is a de Polignac number, because none of the positive numbers 2^k-33423253 is a prime.

It is a super-2 number, since 2×33423253² = 2234227682204018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33423263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25000 + ... + 26302.

It is an arithmetic number, because the mean of its divisors is an integer number (4236696).

Almost surely, 2^33423253 is an apocalyptic number.

It is an amenable number.

33423253 is a deficient number, since it is larger than the sum of its proper divisors (470315).

33423253 is a wasteful number, since it uses less digits than its factorization.

33423253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its digits is 6480, while the sum is 25.

The square root of 33423253 is about 5781.2847188147. The cubic root of 33423253 is about 322.1189233196.

Adding to 33423253 its reverse (35232433), we get a palindrome (68655686).

The spelling of 33423253 in words is "thirty-three million, four hundred twenty-three thousand, two hundred fifty-three".