2289690123 has 8 divisors (see below), whose sum is σ = 3489051648. Its totient is φ = 1308394344.

The previous prime is 2289690121. The next prime is 2289690167. The reversal of 2289690123 is 3210969822.

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

It is not a de Polignac number, because 2289690123 - 2¹ = 2289690121 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2289690121) 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, 54516411 + ... + 54516452.

It is an arithmetic number, because the mean of its divisors is an integer number (436131456).

Almost surely, 2^2289690123 is an apocalyptic number.

2289690123 is a deficient number, since it is larger than the sum of its proper divisors (1199361525).

2289690123 is a wasteful number, since it uses less digits than its factorization.

2289690123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109032873.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2289690123 is about 47850.7066092028. The cubic root of 2289690123 is about 1318.0308339610.

The spelling of 2289690123 in words is "two billion, two hundred eighty-nine million, six hundred ninety thousand, one hundred twenty-three".