113661113023 has 8 divisors (see below), whose sum is σ = 114232705920. Its totient is φ = 113090142360.

The previous prime is 113661113021. The next prime is 113661113171. The reversal of 113661113023 is 320311166311.

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 113661113023 - 2¹ = 113661113021 is a prime.

It is a super-2 number, since 2×113661113023² (a number of 23 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 = 113661112982 and 113661113000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113661113021) 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, 212878 + ... + 522148.

It is an arithmetic number, because the mean of its divisors is an integer number (14279088240).

Almost surely, 2^113661113023 is an apocalyptic number.

113661113023 is a deficient number, since it is larger than the sum of its proper divisors (571592897).

113661113023 is a wasteful number, since it uses less digits than its factorization.

113661113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311117.

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 113661113023 its reverse (320311166311), we get a palindrome (433972279334).

The spelling of 113661113023 in words is "one hundred thirteen billion, six hundred sixty-one million, one hundred thirteen thousand, twenty-three".