33112404023 has 4 divisors (see below), whose sum is σ = 33241246320. Its totient is φ = 32983561728.

The previous prime is 33112403941. The next prime is 33112404037. The reversal of 33112404023 is 32040421133.

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

It is a cyclic number.

It is not a de Polignac number, because 33112404023 - 2¹⁶ = 33112338487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33112404023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33112404323) 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, 64420763 + ... + 64421276.

It is an arithmetic number, because the mean of its divisors is an integer number (8310311580).

Almost surely, 2^33112404023 is an apocalyptic number.

33112404023 is a deficient number, since it is larger than the sum of its proper divisors (128842297).

33112404023 is a wasteful number, since it uses less digits than its factorization.

33112404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128842296.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33112404023 its reverse (32040421133), we get a palindrome (65152825156).

The spelling of 33112404023 in words is "thirty-three billion, one hundred twelve million, four hundred four thousand, twenty-three".