23439838378 has 16 divisors (see below), whose sum is σ = 38928580704. Its totient is φ = 10495449360.

The previous prime is 23439838369. The next prime is 23439838427. The reversal of 23439838378 is 87383893432.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7949625 + ... + 7952572.

It is an arithmetic number, because the mean of its divisors is an integer number (2433036294).

Almost surely, 2^23439838378 is an apocalyptic number.

23439838378 is a deficient number, since it is larger than the sum of its proper divisors (15488742326).

23439838378 is a wasteful number, since it uses less digits than its factorization.

23439838378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15902277.

The product of its digits is 20901888, while the sum is 58.

The spelling of 23439838378 in words is "twenty-three billion, four hundred thirty-nine million, eight hundred thirty-eight thousand, three hundred seventy-eight".