2012798723 has 4 divisors (see below), whose sum is σ = 2167629408. Its totient is φ = 1857968040.

The previous prime is 2012798719. The next prime is 2012798731. The reversal of 2012798723 is 3278972102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012798723 - 2² = 2012798719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012798713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77415323 + ... + 77415348.

It is an arithmetic number, because the mean of its divisors is an integer number (541907352).

Almost surely, 2^2012798723 is an apocalyptic number.

2012798723 is a deficient number, since it is larger than the sum of its proper divisors (154830685).

2012798723 is a wasteful number, since it uses less digits than its factorization.

2012798723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154830684.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 2012798723 is about 44864.2254251648. The cubic root of 2012798723 is about 1262.6029007132.

The spelling of 2012798723 in words is "two billion, twelve million, seven hundred ninety-eight thousand, seven hundred twenty-three".