23694815481 has 4 divisors (see below), whose sum is σ = 31593087312. Its totient is φ = 15796543652.

The previous prime is 23694815477. The next prime is 23694815483. The reversal of 23694815481 is 18451849632.

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 23694815481 - 2² = 23694815477 is a prime.

It is a super-2 number, since 2×23694815481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23694815483) 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, 3949135911 + ... + 3949135916.

It is an arithmetic number, because the mean of its divisors is an integer number (7898271828).

Almost surely, 2^23694815481 is an apocalyptic number.

It is an amenable number.

23694815481 is a deficient number, since it is larger than the sum of its proper divisors (7898271831).

23694815481 is an equidigital number, since it uses as much as digits as its factorization.

23694815481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7898271830.

The product of its digits is 1658880, while the sum is 51.

The spelling of 23694815481 in words is "twenty-three billion, six hundred ninety-four million, eight hundred fifteen thousand, four hundred eighty-one".