201422023 has 12 divisors (see below), whose sum is σ = 227581848. Its totient is φ = 176788640.

The previous prime is 201422003. The next prime is 201422027. The reversal of 201422023 is 320224102.

It is not a de Polignac number, because 201422023 - 2¹⁷ = 201290951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201421988 and 201422006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201422027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1636 + ... + 20137.

It is an arithmetic number, because the mean of its divisors is an integer number (18965154).

Almost surely, 2^201422023 is an apocalyptic number.

201422023 is a deficient number, since it is larger than the sum of its proper divisors (26159825).

201422023 is a wasteful number, since it uses less digits than its factorization.

201422023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21842 (or 21813 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 201422023 is about 14192.3226781243. The cubic root of 201422023 is about 586.1862824930.

Adding to 201422023 its reverse (320224102), we get a palindrome (521646125).

It can be divided in two parts, 201 and 422023, that added together give a palindrome (422224).

The spelling of 201422023 in words is "two hundred one million, four hundred twenty-two thousand, twenty-three".