201433025123 has 8 divisors (see below), whose sum is σ = 219765974256. Its totient is φ = 183103552000.

The previous prime is 201433025083. The next prime is 201433025147. The reversal of 201433025123 is 321520334102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201433025123 - 2⁸ = 201433024867 is a prime.

It is a super-2 number, since 2×201433025123² (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 = 201433025092 and 201433025101.

It is not an unprimeable number, because it can be changed into a prime (201433025723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747086 + ... + 980307.

It is an arithmetic number, because the mean of its divisors is an integer number (27470746782).

Almost surely, 2^201433025123 is an apocalyptic number.

201433025123 is a deficient number, since it is larger than the sum of its proper divisors (18332949133).

201433025123 is a wasteful number, since it uses less digits than its factorization.

201433025123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738005.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 201433025123 its reverse (321520334102), we get a palindrome (522953359225).

The spelling of 201433025123 in words is "two hundred one billion, four hundred thirty-three million, twenty-five thousand, one hundred twenty-three".