23944377601 has 4 divisors (see below), whose sum is σ = 24164050900. Its totient is φ = 23724704304.

The previous prime is 23944377571. The next prime is 23944377647. The reversal of 23944377601 is 10677344932.

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 20736288001 + 3208089600 = 144001^2 + 56640^2 .

It is a cyclic number.

It is not a de Polignac number, because 23944377601 - 2⁹ = 23944377089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23944377671) 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, 109836486 + ... + 109836703.

It is an arithmetic number, because the mean of its divisors is an integer number (6041012725).

Almost surely, 2^23944377601 is an apocalyptic number.

It is an amenable number.

23944377601 is a deficient number, since it is larger than the sum of its proper divisors (219673299).

23944377601 is a wasteful number, since it uses less digits than its factorization.

23944377601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219673298.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 23944377601 in words is "twenty-three billion, nine hundred forty-four million, three hundred seventy-seven thousand, six hundred one".