1979384123 has 8 divisors (see below), whose sum is σ = 2007791088. Its totient is φ = 1951012224.

The previous prime is 1979384111. The next prime is 1979384129. The reversal of 1979384123 is 3214839791.

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

It is a cyclic number.

It is not a de Polignac number, because 1979384123 - 2¹⁰ = 1979383099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1979384129) 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, 117911 + ... + 133647.

It is an arithmetic number, because the mean of its divisors is an integer number (250973886).

Almost surely, 2^1979384123 is an apocalyptic number.

1979384123 is a deficient number, since it is larger than the sum of its proper divisors (28406965).

1979384123 is a wasteful number, since it uses less digits than its factorization.

1979384123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17533.

The product of its digits is 326592, while the sum is 47.

The square root of 1979384123 is about 44490.2699811993. The cubic root of 1979384123 is about 1255.5770266534.

The spelling of 1979384123 in words is "one billion, nine hundred seventy-nine million, three hundred eighty-four thousand, one hundred twenty-three".