23492444478 has 8 divisors (see below), whose sum is σ = 46984888968. Its totient is φ = 7830814824.

The previous prime is 23492444473. The next prime is 23492444509. The reversal of 23492444478 is 87444429432.

It is a happy number.

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

23492444478 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 23492444478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23492444473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1957703701 + ... + 1957703712.

It is an arithmetic number, because the mean of its divisors is an integer number (5873111121).

Almost surely, 2^23492444478 is an apocalyptic number.

23492444478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23492444478 is a wasteful number, since it uses less digits than its factorization.

23492444478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915407418.

The product of its digits is 6193152, while the sum is 51.

The spelling of 23492444478 in words is "twenty-three billion, four hundred ninety-two million, four hundred forty-four thousand, four hundred seventy-eight".