201423112 has 32 divisors (see below), whose sum is σ = 412607520. Its totient is φ = 91421440.

The previous prime is 201423097. The next prime is 201423127. The reversal of 201423112 is 211324102.

It is an interprime number because it is at equal distance from previous prime (201423097) and next prime (201423127).

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, 82128 + ... + 84544.

It is an arithmetic number, because the mean of its divisors is an integer number (12893985).

Almost surely, 2^201423112 is an apocalyptic number.

201423112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201423112 is an abundant number, since it is smaller than the sum of its proper divisors (211184408).

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

201423112 is a wasteful number, since it uses less digits than its factorization.

201423112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381 (or 3377 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 201423112 is about 14192.3610438855. The cubic root of 201423112 is about 586.1873389079.

Adding to 201423112 its reverse (211324102), we get a palindrome (412747214).

The spelling of 201423112 in words is "two hundred one million, four hundred twenty-three thousand, one hundred twelve".