23193688694 has 16 divisors (see below), whose sum is σ = 37958319360. Its totient is φ = 10541193960.

The previous prime is 23193688673. The next prime is 23193688697. The reversal of 23193688694 is 49688639132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23193688697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111287 + ... + 242429.

It is an arithmetic number, because the mean of its divisors is an integer number (2372394960).

Almost surely, 2^23193688694 is an apocalyptic number.

23193688694 is a deficient number, since it is larger than the sum of its proper divisors (14764630666).

23193688694 is a wasteful number, since it uses less digits than its factorization.

23193688694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139195.

The product of its digits is 13436928, while the sum is 59.

The spelling of 23193688694 in words is "twenty-three billion, one hundred ninety-three million, six hundred eighty-eight thousand, six hundred ninety-four".