23842145478 has 16 divisors (see below), whose sum is σ = 50193990720. Its totient is φ = 7529098536.

The previous prime is 23842145473. The next prime is 23842145479. The reversal of 23842145478 is 87454124832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23842145471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104570700 + ... + 104570927.

It is an arithmetic number, because the mean of its divisors is an integer number (3137124420).

Almost surely, 2^23842145478 is an apocalyptic number.

23842145478 is an abundant number, since it is smaller than the sum of its proper divisors (26351845242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23842145478 is a wasteful number, since it uses less digits than its factorization.

23842145478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209141651.

The product of its digits is 1720320, while the sum is 48.

The spelling of 23842145478 in words is "twenty-three billion, eight hundred forty-two million, one hundred forty-five thousand, four hundred seventy-eight".