123442003 has 8 divisors (see below), whose sum is σ = 125478080. Its totient is φ = 121417920.

The previous prime is 123442001. The next prime is 123442013. The reversal of 123442003 is 300244321.

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

It is a cyclic number.

It is not a de Polignac number, because 123442003 - 2¹ = 123442001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123442001) 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, 19063 + ... + 24703.

It is an arithmetic number, because the mean of its divisors is an integer number (15684760).

Almost surely, 2^123442003 is an apocalyptic number.

123442003 is a deficient number, since it is larger than the sum of its proper divisors (2036077).

123442003 is an equidigital number, since it uses as much as digits as its factorization.

123442003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 123442003 is about 11110.4456706291. The cubic root of 123442003 is about 497.9139798092.

Adding to 123442003 its reverse (300244321), we get a palindrome (423686324).

The spelling of 123442003 in words is "one hundred twenty-three million, four hundred forty-two thousand, three".