23820023378 has 6 divisors (see below), whose sum is σ = 35730362469. Its totient is φ = 11909902556.

The previous prime is 23820023327. The next prime is 23820023401. The reversal of 23820023378 is 87332002832.

It can be written as a sum of positive squares in 2 ways, for example, as 23800158529 + 19864849 = 154273^2 + 4457^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=109133.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 163700 + ... + 272832.

Almost surely, 2^23820023378 is an apocalyptic number.

23820023378 is a deficient number, since it is larger than the sum of its proper divisors (11910339091).

23820023378 is an frugal number, since it uses more digits than its factorization.

23820023378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218268 (or 109135 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 23820023378 in words is "twenty-three billion, eight hundred twenty million, twenty-three thousand, three hundred seventy-eight".