201451323 has 4 divisors (see below), whose sum is σ = 268601768. Its totient is φ = 134300880.

The previous prime is 201451301. The next prime is 201451351. The reversal of 201451323 is 323154102.

201451323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 201451323 - 2⁵ = 201451291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201451323.

It is not an unprimeable number, because it can be changed into a prime (201451223) 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, 33575218 + ... + 33575223.

It is an arithmetic number, because the mean of its divisors is an integer number (67150442).

Almost surely, 2^201451323 is an apocalyptic number.

201451323 is a deficient number, since it is larger than the sum of its proper divisors (67150445).

201451323 is an equidigital number, since it uses as much as digits as its factorization.

201451323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67150444.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 201451323 is about 14193.3548888203. The cubic root of 201451323 is about 586.2147044518.

The spelling of 201451323 in words is "two hundred one million, four hundred fifty-one thousand, three hundred twenty-three".