23964180481 has 4 divisors (see below), whose sum is σ = 23964714432. Its totient is φ = 23963646532.

The previous prime is 23964180467. The next prime is 23964180517. The reversal of 23964180481 is 18408146932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23964180481 - 2⁹ = 23964179969 is a prime.

It is a super-2 number, since 2×23964180481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23964180451) 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, 192781 + ... + 291706.

It is an arithmetic number, because the mean of its divisors is an integer number (5991178608).

Almost surely, 2^23964180481 is an apocalyptic number.

It is an amenable number.

23964180481 is a deficient number, since it is larger than the sum of its proper divisors (533951).

23964180481 is an equidigital number, since it uses as much as digits as its factorization.

23964180481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533950.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 23964180481 in words is "twenty-three billion, nine hundred sixty-four million, one hundred eighty thousand, four hundred eighty-one".