23445773571 has 32 divisors (see below), whose sum is σ = 34248969216. Its totient is φ = 14148864000.

The previous prime is 23445773543. The next prime is 23445773597. The reversal of 23445773571 is 17537754432.

It is not a de Polignac number, because 23445773571 - 2⁹ = 23445773059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23445773571.

It is not an unprimeable number, because it can be changed into a prime (23445703571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8776566 + ... + 8779236.

It is an arithmetic number, because the mean of its divisors is an integer number (1070280288).

Almost surely, 2^23445773571 is an apocalyptic number.

23445773571 is a deficient number, since it is larger than the sum of its proper divisors (10803195645).

23445773571 is a wasteful number, since it uses less digits than its factorization.

23445773571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723.

The product of its digits is 2469600, while the sum is 48.

The spelling of 23445773571 in words is "twenty-three billion, four hundred forty-five million, seven hundred seventy-three thousand, five hundred seventy-one".