23027468781 has 4 divisors (see below), whose sum is σ = 30703291712. Its totient is φ = 15351645852.

The previous prime is 23027468773. The next prime is 23027468797. The reversal of 23027468781 is 18786472032.

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 not a de Polignac number, because 23027468781 - 2³ = 23027468773 is a prime.

It is a super-2 number, since 2×23027468781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23027468781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23027468281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3837911461 + ... + 3837911466.

It is an arithmetic number, because the mean of its divisors is an integer number (7675822928).

Almost surely, 2^23027468781 is an apocalyptic number.

It is an amenable number.

23027468781 is a deficient number, since it is larger than the sum of its proper divisors (7675822931).

23027468781 is an equidigital number, since it uses as much as digits as its factorization.

23027468781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7675822930.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 23027468781 in words is "twenty-three billion, twenty-seven million, four hundred sixty-eight thousand, seven hundred eighty-one".