123201403 has 4 divisors (see below), whose sum is σ = 132678448. Its totient is φ = 113724360.

The previous prime is 123201371. The next prime is 123201437. The reversal of 123201403 is 304102321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123201403 - 2⁵ = 123201371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123201473) 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, 4738503 + ... + 4738528.

It is an arithmetic number, because the mean of its divisors is an integer number (33169612).

Almost surely, 2^123201403 is an apocalyptic number.

123201403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123201403 is a deficient number, since it is larger than the sum of its proper divisors (9477045).

123201403 is an equidigital number, since it uses as much as digits as its factorization.

123201403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9477044.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123201403 is about 11099.6127409924. The cubic root of 123201403 is about 497.5902757820.

Adding to 123201403 its reverse (304102321), we get a palindrome (427303724).

The spelling of 123201403 in words is "one hundred twenty-three million, two hundred one thousand, four hundred three".