2698823423 has 4 divisors (see below), whose sum is σ = 2857577760. Its totient is φ = 2540069088.

The previous prime is 2698823411. The next prime is 2698823431. The reversal of 2698823423 is 3243288962.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3243288962 = 2 ⋅1621644481.

It is a cyclic number.

It is not a de Polignac number, because 2698823423 - 2⁸ = 2698823167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2698823923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79377143 + ... + 79377176.

It is an arithmetic number, because the mean of its divisors is an integer number (714394440).

Almost surely, 2^2698823423 is an apocalyptic number.

2698823423 is a deficient number, since it is larger than the sum of its proper divisors (158754337).

2698823423 is a wasteful number, since it uses less digits than its factorization.

2698823423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158754336.

The product of its digits is 995328, while the sum is 47.

The square root of 2698823423 is about 51950.2013759331. The cubic root of 2698823423 is about 1392.2743545235.

The spelling of 2698823423 in words is "two billion, six hundred ninety-eight million, eight hundred twenty-three thousand, four hundred twenty-three".