201420310023 has 6 divisors (see below), whose sum is σ = 290940447824. Its totient is φ = 134280206676.

The previous prime is 201420309997. The next prime is 201420310043. The reversal of 201420310023 is 320013024102.

It is not a de Polignac number, because 201420310023 - 2⁵ = 201420309991 is a prime.

It is a super-2 number, since 2×201420310023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201420309978 and 201420310005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201420310043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11190017215 + ... + 11190017232.

Almost surely, 2^201420310023 is an apocalyptic number.

201420310023 is a deficient number, since it is larger than the sum of its proper divisors (89520137801).

201420310023 is a wasteful number, since it uses less digits than its factorization.

201420310023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22380034453 (or 22380034450 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201420310023 its reverse (320013024102), we get a palindrome (521433334125).

The spelling of 201420310023 in words is "two hundred one billion, four hundred twenty million, three hundred ten thousand, twenty-three".