23144495446 has 4 divisors (see below), whose sum is σ = 34716743172. Its totient is φ = 11572247722.

The previous prime is 23144495443. The next prime is 23144495467. The reversal of 23144495446 is 64459444132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 23144495396 and 23144495405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144495443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5786123860 + ... + 5786123863.

It is an arithmetic number, because the mean of its divisors is an integer number (8679185793).

Almost surely, 2^23144495446 is an apocalyptic number.

23144495446 is a deficient number, since it is larger than the sum of its proper divisors (11572247726).

23144495446 is a wasteful number, since it uses less digits than its factorization.

23144495446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11572247725.

The product of its digits is 1658880, while the sum is 46.

The spelling of 23144495446 in words is "twenty-three billion, one hundred forty-four million, four hundred ninety-five thousand, four hundred forty-six".