201012423 has 16 divisors (see below), whose sum is σ = 271703040. Its totient is φ = 132177024.

The previous prime is 201012407. The next prime is 201012439. The reversal of 201012423 is 324210102.

It is an interprime number because it is at equal distance from previous prime (201012407) and next prime (201012439).

It is not a de Polignac number, because 201012423 - 2⁴ = 201012407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74268 + ... + 76926.

It is an arithmetic number, because the mean of its divisors is an integer number (16981440).

Almost surely, 2^201012423 is an apocalyptic number.

201012423 is a deficient number, since it is larger than the sum of its proper divisors (70690617).

201012423 is a wasteful number, since it uses less digits than its factorization.

201012423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 201012423 is about 14177.8849974176. The cubic root of 201012423 is about 585.7886681801.

Adding to 201012423 its reverse (324210102), we get a palindrome (525222525).

The spelling of 201012423 in words is "two hundred one million, twelve thousand, four hundred twenty-three".