201002403 has 8 divisors (see below), whose sum is σ = 306289408. Its totient is φ = 114858504.

The previous prime is 201002383. The next prime is 201002411. The reversal of 201002403 is 304200102.

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

It is not a de Polignac number, because 201002403 - 2⁸ = 201002147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201002413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4785751 + ... + 4785792.

It is an arithmetic number, because the mean of its divisors is an integer number (38286176).

Almost surely, 2^201002403 is an apocalyptic number.

201002403 is a deficient number, since it is larger than the sum of its proper divisors (105287005).

201002403 is an equidigital number, since it uses as much as digits as its factorization.

201002403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9571553.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 201002403 is about 14177.5316257803. The cubic root of 201002403 is about 585.7789346192.

Adding to 201002403 its reverse (304200102), we get a palindrome (505202505).

The spelling of 201002403 in words is "two hundred one million, two thousand, four hundred three".