120123203233533 has 4 divisors (see below), whose sum is σ = 160164270978048. Its totient is φ = 80082135489020.

The previous prime is 120123203233529. The next prime is 120123203233549. The reversal of 120123203233533 is 335332302321021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120123203233533 - 2² = 120123203233529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120123203233494 and 120123203233503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120123203233133) 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, 20020533872253 + ... + 20020533872258.

It is an arithmetic number, because the mean of its divisors is an integer number (40041067744512).

Almost surely, 2^{120123203233533} is an apocalyptic number.

It is an amenable number.

120123203233533 is a deficient number, since it is larger than the sum of its proper divisors (40041067744515).

120123203233533 is an equidigital number, since it uses as much as digits as its factorization.

120123203233533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40041067744514.

The product of its (nonzero) digits is 58320, while the sum is 33.

Adding to 120123203233533 its reverse (335332302321021), we get a palindrome (455455505554554).

The spelling of 120123203233533 in words is "one hundred twenty trillion, one hundred twenty-three billion, two hundred three million, two hundred thirty-three thousand, five hundred thirty-three".