201130112123 has 8 divisors (see below), whose sum is σ = 207780043776. Its totient is φ = 194490297000.

The previous prime is 201130112107. The next prime is 201130112137. The reversal of 201130112123 is 321211031102.

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 201130112123 - 2⁴ = 201130112107 is a prime.

It is a super-2 number, since 2×201130112123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201130112153) 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, 2488703 + ... + 2568248.

It is an arithmetic number, because the mean of its divisors is an integer number (25972505472).

Almost surely, 2^201130112123 is an apocalyptic number.

201130112123 is a deficient number, since it is larger than the sum of its proper divisors (6649931653).

201130112123 is a wasteful number, since it uses less digits than its factorization.

201130112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058265.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 201130112123 its reverse (321211031102), we get a palindrome (522341143225).

The spelling of 201130112123 in words is "two hundred one billion, one hundred thirty million, one hundred twelve thousand, one hundred twenty-three".