5020123819 has 4 divisors (see below), whose sum is σ = 5238390096. Its totient is φ = 4801857544.

The previous prime is 5020123811. The next prime is 5020123853. The reversal of 5020123819 is 9183210205.

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 5020123819 - 2³ = 5020123811 is a prime.

It is a super-2 number, since 2×5020123819² = 50403286316182289522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5020123811) 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, 109133104 + ... + 109133149.

It is an arithmetic number, because the mean of its divisors is an integer number (1309597524).

Almost surely, 2^5020123819 is an apocalyptic number.

5020123819 is a deficient number, since it is larger than the sum of its proper divisors (218266277).

5020123819 is a wasteful number, since it uses less digits than its factorization.

5020123819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218266276.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 5020123819 is about 70852.8321170015. The cubic root of 5020123819 is about 1712.2669589221.

The spelling of 5020123819 in words is "five billion, twenty million, one hundred twenty-three thousand, eight hundred nineteen".