123220203 has 8 divisors (see below), whose sum is σ = 165120000. Its totient is φ = 81733608.

The previous prime is 123220193. The next prime is 123220219. The reversal of 123220203 is 302022321.

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

It is not a de Polignac number, because 123220203 - 2¹⁴ = 123203819 is a prime.

It is a super-2 number, since 2×123220203² = 30366436854722418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123220103) 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, 102603 + ... + 103796.

It is an arithmetic number, because the mean of its divisors is an integer number (20640000).

Almost surely, 2^123220203 is an apocalyptic number.

123220203 is a deficient number, since it is larger than the sum of its proper divisors (41899797).

123220203 is a wasteful number, since it uses less digits than its factorization.

123220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206601.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 123220203 is about 11100.4595850803. The cubic root of 123220203 is about 497.6155845344.

Adding to 123220203 its reverse (302022321), we get a palindrome (425242524).

The spelling of 123220203 in words is "one hundred twenty-three million, two hundred twenty thousand, two hundred three".