33223350253 has 4 divisors (see below), whose sum is σ = 33252166108. Its totient is φ = 33194534400.

The previous prime is 33223350227. The next prime is 33223350289. The reversal of 33223350253 is 35205332233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9757093284 + 23466256969 = 98778^2 + 153187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33223350253 is a prime.

It is a super-2 number, since 2×33223350253² (a number of 22 digits) 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 (33223351253) 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, 14406198 + ... + 14408503.

It is an arithmetic number, because the mean of its divisors is an integer number (8313041527).

Almost surely, 2^33223350253 is an apocalyptic number.

It is an amenable number.

33223350253 is a deficient number, since it is larger than the sum of its proper divisors (28815855).

33223350253 is a wasteful number, since it uses less digits than its factorization.

33223350253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28815854.

The product of its (nonzero) digits is 48600, while the sum is 31.

Adding to 33223350253 its reverse (35205332233), we get a palindrome (68428682486).

The spelling of 33223350253 in words is "thirty-three billion, two hundred twenty-three million, three hundred fifty thousand, two hundred fifty-three".