23578012478 has 24 divisors (see below), whose sum is σ = 36138855816. Its totient is φ = 11534648400.

The previous prime is 23578012441. The next prime is 23578012481. The reversal of 23578012478 is 87421087532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3051476 + ... + 3059192.

It is an arithmetic number, because the mean of its divisors is an integer number (1505785659).

Almost surely, 2^23578012478 is an apocalyptic number.

23578012478 is a deficient number, since it is larger than the sum of its proper divisors (12560843338).

23578012478 is an equidigital number, since it uses as much as digits as its factorization.

23578012478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088 (or 7937 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 23578012478 in words is "twenty-three billion, five hundred seventy-eight million, twelve thousand, four hundred seventy-eight".