33113220123 has 8 divisors (see below), whose sum is σ = 44154437200. Its totient is φ = 22073741568.

The previous prime is 33113220103. The next prime is 33113220137. The reversal of 33113220123 is 32102231133.

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

It is not a de Polignac number, because 33113220123 - 2¹⁰ = 33113219099 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 33113220123.

It is not an unprimeable number, because it can be changed into a prime (33113220103) 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, 389518 + ... + 466851.

It is an arithmetic number, because the mean of its divisors is an integer number (5519304650).

Almost surely, 2^33113220123 is an apocalyptic number.

33113220123 is a deficient number, since it is larger than the sum of its proper divisors (11041217077).

33113220123 is a wasteful number, since it uses less digits than its factorization.

33113220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869261.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33113220123 its reverse (32102231133), we get a palindrome (65215451256).

The spelling of 33113220123 in words is "thirty-three billion, one hundred thirteen million, two hundred twenty thousand, one hundred twenty-three".