201623707903 has 8 divisors (see below), whose sum is σ = 201790310400. Its totient is φ = 201457179000.

The previous prime is 201623707897. The next prime is 201623707931. The reversal of 201623707903 is 309707326102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201623707903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201623707303) 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, 6334278 + ... + 6366028.

It is an arithmetic number, because the mean of its divisors is an integer number (25223788800).

Almost surely, 2^201623707903 is an apocalyptic number.

201623707903 is a deficient number, since it is larger than the sum of its proper divisors (166602497).

201623707903 is a wasteful number, since it uses less digits than its factorization.

201623707903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36797.

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 201623707903 in words is "two hundred one billion, six hundred twenty-three million, seven hundred seven thousand, nine hundred three".