201303923 has 4 divisors (see below), whose sum is σ = 201348408. Its totient is φ = 201259440.

The previous prime is 201303899. The next prime is 201303943. The reversal of 201303923 is 329303102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329303102 = 2 ⋅164651551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201303923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201303943) 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, 14573 + ... + 24798.

It is an arithmetic number, because the mean of its divisors is an integer number (50337102).

Almost surely, 2^201303923 is an apocalyptic number.

201303923 is a deficient number, since it is larger than the sum of its proper divisors (44485).

201303923 is an equidigital number, since it uses as much as digits as its factorization.

201303923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44484.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 201303923 is about 14188.1613678447. The cubic root of 201303923 is about 586.0716936749.

The spelling of 201303923 in words is "two hundred one million, three hundred three thousand, nine hundred twenty-three".