123001203 has 16 divisors (see below), whose sum is σ = 177914016. Its totient is φ = 75137280.

The previous prime is 123001187. The next prime is 123001223. The reversal of 123001203 is 302100321.

It is a happy number.

It is not a de Polignac number, because 123001203 - 2⁴ = 123001187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123001223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6168 + ... + 16853.

It is an arithmetic number, because the mean of its divisors is an integer number (11119626).

Almost surely, 2^123001203 is an apocalyptic number.

123001203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123001203 is a deficient number, since it is larger than the sum of its proper divisors (54912813).

123001203 is a wasteful number, since it uses less digits than its factorization.

123001203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23174.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 123001203 is about 11090.5907417053. The cubic root of 123001203 is about 497.3206046623.

Adding to 123001203 its reverse (302100321), we get a palindrome (425101524).

The spelling of 123001203 in words is "one hundred twenty-three million, one thousand, two hundred three".