201024430422123 has 128 divisors (see below), whose sum is σ = 359051373471744. Its totient is φ = 96837208473600.

The previous prime is 201024430422073. The next prime is 201024430422133. The reversal of 201024430422123 is 321224034420102.

201024430422123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201024430422123 - 2¹⁰ = 201024430421099 is a prime.

It is a super-2 number, since 2×201024430422123² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201024430422133) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 272829553 + ... + 273565373.

It is an arithmetic number, because the mean of its divisors is an integer number (2805088855248).

Almost surely, 2^{201024430422123} is an apocalyptic number.

201024430422123 is a deficient number, since it is larger than the sum of its proper divisors (158026943049621).

201024430422123 is a wasteful number, since it uses less digits than its factorization.

201024430422123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736885.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 201024430422123 its reverse (321224034420102), we get a palindrome (522248464842225).

The spelling of 201024430422123 in words is "two hundred one trillion, twenty-four billion, four hundred thirty million, four hundred twenty-two thousand, one hundred twenty-three".