2012609823 has 8 divisors (see below), whose sum is σ = 3066834048. Its totient is φ = 1150062744.

The previous prime is 2012609801. The next prime is 2012609861. The reversal of 2012609823 is 3289062102.

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 2012609823 - 2¹⁰ = 2012608799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012609623) 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, 47919261 + ... + 47919302.

It is an arithmetic number, because the mean of its divisors is an integer number (383354256).

Almost surely, 2^2012609823 is an apocalyptic number.

2012609823 is a deficient number, since it is larger than the sum of its proper divisors (1054224225).

2012609823 is an equidigital number, since it uses as much as digits as its factorization.

2012609823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95838573.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2012609823 is about 44862.1201349201. The cubic root of 2012609823 is about 1262.5634012927.

The spelling of 2012609823 in words is "two billion, twelve million, six hundred nine thousand, eight hundred twenty-three".