23398678328 has 8 divisors (see below), whose sum is σ = 43872521880. Its totient is φ = 11699339160.

The previous prime is 23398678291. The next prime is 23398678339. The reversal of 23398678328 is 82387689332.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1462417388 + ... + 1462417403.

It is an arithmetic number, because the mean of its divisors is an integer number (5484065235).

Almost surely, 2^23398678328 is an apocalyptic number.

It is an amenable number.

23398678328 is a deficient number, since it is larger than the sum of its proper divisors (20473843552).

23398678328 is a wasteful number, since it uses less digits than its factorization.

23398678328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924834797 (or 2924834793 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 59.

The spelling of 23398678328 in words is "twenty-three billion, three hundred ninety-eight million, six hundred seventy-eight thousand, three hundred twenty-eight".