201042131323 has 16 divisors (see below), whose sum is σ = 227473920000. Its totient is φ = 176002466080.

The previous prime is 201042131321. The next prime is 201042131347. The reversal of 201042131323 is 323131240102.

It is a cyclic number.

It is not a de Polignac number, because 201042131323 - 2¹ = 201042131321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201042131294 and 201042131303.

It is not an unprimeable number, because it can be changed into a prime (201042131321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700573 + ... + 944926.

It is an arithmetic number, because the mean of its divisors is an integer number (14217120000).

Almost surely, 2^201042131323 is an apocalyptic number.

201042131323 is a deficient number, since it is larger than the sum of its proper divisors (26431788677).

201042131323 is a wasteful number, since it uses less digits than its factorization.

201042131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645922.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 201042131323 its reverse (323131240102), we get a palindrome (524173371425).

The spelling of 201042131323 in words is "two hundred one billion, forty-two million, one hundred thirty-one thousand, three hundred twenty-three".