23144471667 has 6 divisors (see below), whose sum is σ = 33430903532. Its totient is φ = 15429647772.

The previous prime is 23144471557. The next prime is 23144471677. The reversal of 23144471667 is 76617444132.

It is not a de Polignac number, because 23144471667 - 2⁸ = 23144471411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23144471677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1285803973 + ... + 1285803990.

Almost surely, 2^23144471667 is an apocalyptic number.

23144471667 is a deficient number, since it is larger than the sum of its proper divisors (10286431865).

23144471667 is a wasteful number, since it uses less digits than its factorization.

23144471667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571607969 (or 2571607966 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The spelling of 23144471667 in words is "twenty-three billion, one hundred forty-four million, four hundred seventy-one thousand, six hundred sixty-seven".