23798545478 has 8 divisors (see below), whose sum is σ = 36528000168. Its totient is φ = 11622545424.

The previous prime is 23798545409. The next prime is 23798545501. The reversal of 23798545478 is 87454589732.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23798545478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138363551 + ... + 138363722.

It is an arithmetic number, because the mean of its divisors is an integer number (4566000021).

Almost surely, 2^23798545478 is an apocalyptic number.

23798545478 is a deficient number, since it is larger than the sum of its proper divisors (12729454690).

23798545478 is a wasteful number, since it uses less digits than its factorization.

23798545478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276727318.

The product of its digits is 67737600, while the sum is 62.

The spelling of 23798545478 in words is "twenty-three billion, seven hundred ninety-eight million, five hundred forty-five thousand, four hundred seventy-eight".