123033021203 has 4 divisors (see below), whose sum is σ = 123059075688. Its totient is φ = 123006966720.

The previous prime is 123033021179. The next prime is 123033021257. The reversal of 123033021203 is 302120330321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302120330321 = 37 ⋅8165414333.

It is a cyclic number.

It is not a de Polignac number, because 123033021203 - 2²⁶ = 122965912339 is a prime.

It is a super-3 number, since 3×123033021203³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123033021283) 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, 13020158 + ... + 13029603.

It is an arithmetic number, because the mean of its divisors is an integer number (30764768922).

Almost surely, 2^123033021203 is an apocalyptic number.

123033021203 is a deficient number, since it is larger than the sum of its proper divisors (26054485).

123033021203 is an equidigital number, since it uses as much as digits as its factorization.

123033021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26054484.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123033021203 its reverse (302120330321), we get a palindrome (425153351524).

The spelling of 123033021203 in words is "one hundred twenty-three billion, thirty-three million, twenty-one thousand, two hundred three".