113123201001 has 8 divisors (see below), whose sum is σ = 150836835264. Its totient is φ = 75412517040.

The previous prime is 113123200973. The next prime is 113123201011. The reversal of 113123201001 is 100102321311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113123201001 - 2⁶ = 113123200937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113123201011) 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, 646501 + ... + 802626.

It is an arithmetic number, because the mean of its divisors is an integer number (18854604408).

Almost surely, 2^113123201001 is an apocalyptic number.

It is an amenable number.

113123201001 is a deficient number, since it is larger than the sum of its proper divisors (37713634263).

113123201001 is a wasteful number, since it uses less digits than its factorization.

113123201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475151.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113123201001 its reverse (100102321311), we get a palindrome (213225522312).

The spelling of 113123201001 in words is "one hundred thirteen billion, one hundred twenty-three million, two hundred one thousand, one".