201010404244123 has 32 divisors (see below), whose sum is σ = 213410802401280. Its totient is φ = 188800295040000.

The previous prime is 201010404244063. The next prime is 201010404244147. The reversal of 201010404244123 is 321442404010102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201010404244123 is a prime.

It is a super-2 number, since 2×201010404244123² (a number of 29 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 = 201010404244091 and 201010404244100.

It is not an unprimeable number, because it can be changed into a prime (201010404244823) 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, 1480922686 + ... + 1481058412.

It is an arithmetic number, because the mean of its divisors is an integer number (6669087575040).

Almost surely, 2^{201010404244123} is an apocalyptic number.

201010404244123 is a deficient number, since it is larger than the sum of its proper divisors (12400398157157).

201010404244123 is a wasteful number, since it uses less digits than its factorization.

201010404244123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137419.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 201010404244123 its reverse (321442404010102), we get a palindrome (522452808254225).

The spelling of 201010404244123 in words is "two hundred one trillion, ten billion, four hundred four million, two hundred forty-four thousand, one hundred twenty-three".