2879438123 has 4 divisors (see below), whose sum is σ = 2896082448. Its totient is φ = 2862793800.

The previous prime is 2879438071. The next prime is 2879438153. The reversal of 2879438123 is 3218349782.

It is a happy number.

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 2879438123 - 2¹² = 2879434027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2879438153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8321903 + ... + 8322248.

It is an arithmetic number, because the mean of its divisors is an integer number (724020612).

Almost surely, 2^2879438123 is an apocalyptic number.

2879438123 is a deficient number, since it is larger than the sum of its proper divisors (16644325).

2879438123 is a wasteful number, since it uses less digits than its factorization.

2879438123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16644324.

The product of its digits is 580608, while the sum is 47.

The square root of 2879438123 is about 53660.3962247764. The cubic root of 2879438123 is about 1422.6647909385.

The spelling of 2879438123 in words is "two billion, eight hundred seventy-nine million, four hundred thirty-eight thousand, one hundred twenty-three".