1023113109 has 8 divisors (see below), whose sum is σ = 1364636160. Its totient is φ = 681832736.

The previous prime is 1023113107. The next prime is 1023113137. The reversal of 1023113109 is 9013113201.

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 1023113109 - 2¹ = 1023113107 is a prime.

It is a super-3 number, since 3×1023113109³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023113107) 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, 50592 + ... + 67865.

It is an arithmetic number, because the mean of its divisors is an integer number (170579520).

Almost surely, 2^1023113109 is an apocalyptic number.

It is an amenable number.

1023113109 is a deficient number, since it is larger than the sum of its proper divisors (341523051).

1023113109 is a wasteful number, since it uses less digits than its factorization.

1023113109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121339.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1023113109 is about 31986.1393262769. The cubic root of 1023113109 is about 1007.6457629904.

The spelling of 1023113109 in words is "one billion, twenty-three million, one hundred thirteen thousand, one hundred nine".