201723152 has 20 divisors (see below), whose sum is σ = 411409680. Its totient is φ = 95552928.

The previous prime is 201723143. The next prime is 201723161. The reversal of 201723152 is 251327102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201723143) and next prime (201723161).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331478 + ... + 332085.

It is an arithmetic number, because the mean of its divisors is an integer number (20570484).

Almost surely, 2^201723152 is an apocalyptic number.

It is an amenable number.

201723152 is an abundant number, since it is smaller than the sum of its proper divisors (209686528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201723152 is a wasteful number, since it uses less digits than its factorization.

201723152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663590 (or 663584 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 201723152 is about 14202.9275855367. The cubic root of 201723152 is about 586.4782561873.

The spelling of 201723152 in words is "two hundred one million, seven hundred twenty-three thousand, one hundred fifty-two".