123020003 has 4 divisors (see below), whose sum is σ = 129494760. Its totient is φ = 116545248.

The previous prime is 123019991. The next prime is 123020011. The reversal of 123020003 is 300020321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300020321 = 97 ⋅3092993.

It is a cyclic number.

It is not a de Polignac number, because 123020003 - 2⁸ = 123019747 is a prime.

It is a super-2 number, since 2×123020003² = 30267842276240018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123020203) 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, 3237350 + ... + 3237387.

It is an arithmetic number, because the mean of its divisors is an integer number (32373690).

Almost surely, 2^123020003 is an apocalyptic number.

123020003 is a deficient number, since it is larger than the sum of its proper divisors (6474757).

123020003 is an equidigital number, since it uses as much as digits as its factorization.

123020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474756.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 123020003 is about 11091.4382746333. The cubic root of 123020003 is about 497.3459408673.

Adding to 123020003 its reverse (300020321), we get a palindrome (423040324).

The spelling of 123020003 in words is "one hundred twenty-three million, twenty thousand, three".