201450101223 has 32 divisors (see below), whose sum is σ = 315062963712. Its totient is φ = 112090867200.

The previous prime is 201450101213. The next prime is 201450101227. The reversal of 201450101223 is 322101054102.

It is not a de Polignac number, because 201450101223 - 2⁴ = 201450101207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 201450101223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201450101227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224040 + ... + 673122.

It is an arithmetic number, because the mean of its divisors is an integer number (9845717616).

Almost surely, 2^201450101223 is an apocalyptic number.

201450101223 is a deficient number, since it is larger than the sum of its proper divisors (113612862489).

201450101223 is a wasteful number, since it uses less digits than its factorization.

201450101223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449655.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 201450101223 its reverse (322101054102), we get a palindrome (523551155325).

The spelling of 201450101223 in words is "two hundred one billion, four hundred fifty million, one hundred one thousand, two hundred twenty-three".