201323254 has 16 divisors (see below), whose sum is σ = 329789376. Its totient is φ = 91413000.

The previous prime is 201323237. The next prime is 201323261. The reversal of 201323254 is 452323102.

It is a super-2 number, since 2×201323254² = 81062105202297032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18769 + ... + 27475.

It is an arithmetic number, because the mean of its divisors is an integer number (20611836).

Almost surely, 2^201323254 is an apocalyptic number.

201323254 is a deficient number, since it is larger than the sum of its proper divisors (128466122).

201323254 is a wasteful number, since it uses less digits than its factorization.

201323254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9771.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 201323254 is about 14188.8425884566. The cubic root of 201323254 is about 586.0904530200.

Adding to 201323254 its reverse (452323102), we get a palindrome (653646356).

The spelling of 201323254 in words is "two hundred one million, three hundred twenty-three thousand, two hundred fifty-four".