123423003 has 12 divisors (see below), whose sum is σ = 194484888. Its totient is φ = 74801760.

The previous prime is 123422953. The next prime is 123423011. The reversal of 123423003 is 300324321.

It is not a de Polignac number, because 123423003 - 2⁶ = 123422939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123423023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 623250 + ... + 623447.

It is an arithmetic number, because the mean of its divisors is an integer number (16207074).

Almost surely, 2^123423003 is an apocalyptic number.

123423003 is a deficient number, since it is larger than the sum of its proper divisors (71061885).

123423003 is a wasteful number, since it uses less digits than its factorization.

123423003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246714 (or 1246711 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 123423003 is about 11109.5905865158. The cubic root of 123423003 is about 497.8884324515. Note that the first 3 decimals are identical.

Adding to 123423003 its reverse (300324321), we get a palindrome (423747324).

The spelling of 123423003 in words is "one hundred twenty-three million, four hundred twenty-three thousand, three".