23853405694 has 4 divisors (see below), whose sum is σ = 35780108544. Its totient is φ = 11926702846.

The previous prime is 23853405691. The next prime is 23853405707. The reversal of 23853405694 is 49650435832.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23853405691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5963351422 + ... + 5963351425.

It is an arithmetic number, because the mean of its divisors is an integer number (8945027136).

Almost surely, 2^23853405694 is an apocalyptic number.

23853405694 is a deficient number, since it is larger than the sum of its proper divisors (11926702850).

23853405694 is a wasteful number, since it uses less digits than its factorization.

23853405694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11926702849.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 23853405694 in words is "twenty-three billion, eight hundred fifty-three million, four hundred five thousand, six hundred ninety-four".