20101403223 has 24 divisors (see below), whose sum is σ = 32056577280. Its totient is φ = 12035884560.

The previous prime is 20101403209. The next prime is 20101403237. The reversal of 20101403223 is 32230410102.

20101403223 is a `hidden beast` number, since 201 + 0 + 140 + 322 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (20101403209) and next prime (20101403237).

It is not a de Polignac number, because 20101403223 - 2⁶ = 20101403159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20101403196 and 20101403205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101403243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1214943 + ... + 1231376.

It is an arithmetic number, because the mean of its divisors is an integer number (1335690720).

Almost surely, 2^20101403223 is an apocalyptic number.

20101403223 is a deficient number, since it is larger than the sum of its proper divisors (11955174057).

20101403223 is a wasteful number, since it uses less digits than its factorization.

20101403223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446419 (or 2446416 counting only the distinct ones).

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

Adding to 20101403223 its reverse (32230410102), we get a palindrome (52331813325).

It can be divided in two parts, 20101 and 403223, that added together give a palindrome (423324).

The spelling of 20101403223 in words is "twenty billion, one hundred one million, four hundred three thousand, two hundred twenty-three".