201112041423 has 64 divisors (see below), whose sum is σ = 290771223552. Its totient is φ = 123308697600.

The previous prime is 201112041409. The next prime is 201112041437. The reversal of 201112041423 is 324140211102.

It is an interprime number because it is at equal distance from previous prime (201112041409) and next prime (201112041437).

It is not a de Polignac number, because 201112041423 - 2¹² = 201112037327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201112041423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112041023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 167453223 + ... + 167454423.

It is an arithmetic number, because the mean of its divisors is an integer number (4543300368).

Almost surely, 2^201112041423 is an apocalyptic number.

201112041423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201112041423 is a deficient number, since it is larger than the sum of its proper divisors (89659182129).

201112041423 is a wasteful number, since it uses less digits than its factorization.

201112041423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 201112041423 its reverse (324140211102), we get a palindrome (525252252525).

The spelling of 201112041423 in words is "two hundred one billion, one hundred twelve million, forty-one thousand, four hundred twenty-three".