20033232123 has 8 divisors (see below), whose sum is σ = 28282210128. Its totient is φ = 12569871104.

The previous prime is 20033232119. The next prime is 20033232173. The reversal of 20033232123 is 32123233002.

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

It is a cyclic number.

It is not a de Polignac number, because 20033232123 - 2² = 20033232119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20033232123.

It is not an unprimeable number, because it can be changed into a prime (20033232173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196404186 + ... + 196404287.

It is an arithmetic number, because the mean of its divisors is an integer number (3535276266).

Almost surely, 2^20033232123 is an apocalyptic number.

20033232123 is a deficient number, since it is larger than the sum of its proper divisors (8248978005).

20033232123 is a wasteful number, since it uses less digits than its factorization.

20033232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392808493.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20033232123 its reverse (32123233002), we get a palindrome (52156465125).

The spelling of 20033232123 in words is "twenty billion, thirty-three million, two hundred thirty-two thousand, one hundred twenty-three".