201124423 has 2 divisors, whose sum is σ = 201124424. Its totient is φ = 201124422.

The previous prime is 201124411. The next prime is 201124447. The reversal of 201124423 is 324421102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201124423 is a prime.

It is a super-3 number, since 3×201124423³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201124423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201124403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100562211 + 100562212.

It is an arithmetic number, because the mean of its divisors is an integer number (100562212).

Almost surely, 2^201124423 is an apocalyptic number.

201124423 is a deficient number, since it is larger than the sum of its proper divisors (1).

201124423 is an equidigital number, since it uses as much as digits as its factorization.

201124423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 201124423 is about 14181.8342607718. The cubic root of 201124423 is about 585.8974444578.

Adding to 201124423 its reverse (324421102), we get a palindrome (525545525).

The spelling of 201124423 in words is "two hundred one million, one hundred twenty-four thousand, four hundred twenty-three".