23471433577 has 4 divisors (see below), whose sum is σ = 23686767940. Its totient is φ = 23256099216.

The previous prime is 23471433563. The next prime is 23471433611. The reversal of 23471433577 is 77533417432.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10370570896 + 13100862681 = 101836^2 + 114459^2 .

It is a cyclic number.

It is not a de Polignac number, because 23471433577 - 2³¹ = 21323949929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23472433577) 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, 107667018 + ... + 107667235.

It is an arithmetic number, because the mean of its divisors is an integer number (5921691985).

Almost surely, 2^23471433577 is an apocalyptic number.

It is an amenable number.

23471433577 is a deficient number, since it is larger than the sum of its proper divisors (215334363).

23471433577 is a wasteful number, since it uses less digits than its factorization.

23471433577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215334362.

The product of its digits is 1481760, while the sum is 46.

The spelling of 23471433577 in words is "twenty-three billion, four hundred seventy-one million, four hundred thirty-three thousand, five hundred seventy-seven".