33000000123 has 8 divisors (see below), whose sum is σ = 45419355136. Its totient is φ = 21290322600.

The previous prime is 33000000107. The next prime is 33000000133. The reversal of 33000000123 is 32100000033.

It is a happy number.

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

It is not a de Polignac number, because 33000000123 - 2⁴ = 33000000107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33000000099 and 33000000108.

It is not an unprimeable number, because it can be changed into a prime (33000000133) 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, 177419263 + ... + 177419448.

It is an arithmetic number, because the mean of its divisors is an integer number (5677419392).

Almost surely, 2^33000000123 is an apocalyptic number.

33000000123 is a deficient number, since it is larger than the sum of its proper divisors (12419355013).

33000000123 is a wasteful number, since it uses less digits than its factorization.

33000000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354838745.

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 33000000123 its reverse (32100000033), we get a palindrome (65100000156).

The spelling of 33000000123 in words is "thirty-three billion, one hundred twenty-three", and thus it is an aban number.