23081971463 has 4 divisors (see below), whose sum is σ = 23108718528. Its totient is φ = 23055224400.

The previous prime is 23081971447. The next prime is 23081971499. The reversal of 23081971463 is 36417918032.

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

It is a cyclic number.

It is not a de Polignac number, because 23081971463 - 2⁴ = 23081971447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23081971163) 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, 13372238 + ... + 13373963.

It is an arithmetic number, because the mean of its divisors is an integer number (5777179632).

Almost surely, 2^23081971463 is an apocalyptic number.

23081971463 is a deficient number, since it is larger than the sum of its proper divisors (26747065).

23081971463 is an equidigital number, since it uses as much as digits as its factorization.

23081971463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26747064.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 23081971463 in words is "twenty-three billion, eighty-one million, nine hundred seventy-one thousand, four hundred sixty-three".