201140400331123 has 32 divisors (see below), whose sum is σ = 227215485961920. Its totient is φ = 176376066048000.

The previous prime is 201140400331061. The next prime is 201140400331163. The reversal of 201140400331123 is 321133004041102.

It is not a de Polignac number, because 201140400331123 - 2¹³ = 201140400322931 is a prime.

It is a super-2 number, since 2×201140400331123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201140400331163) 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, 1338888153 + ... + 1339038373.

It is an arithmetic number, because the mean of its divisors is an integer number (7100483936310).

Almost surely, 2^{201140400331123} is an apocalyptic number.

201140400331123 is a deficient number, since it is larger than the sum of its proper divisors (26075085630797).

201140400331123 is a wasteful number, since it uses less digits than its factorization.

201140400331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154359.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 201140400331123 its reverse (321133004041102), we get a palindrome (522273404372225).

The spelling of 201140400331123 in words is "two hundred one trillion, one hundred forty billion, four hundred million, three hundred thirty-one thousand, one hundred twenty-three".