23835909394 has 32 divisors (see below), whose sum is σ = 39172534272. Its totient is φ = 10787850000.

The previous prime is 23835909371. The next prime is 23835909397. The reversal of 23835909394 is 49390953832.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23835909397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6061609 + ... + 6065539.

It is an arithmetic number, because the mean of its divisors is an integer number (1224141696).

Almost surely, 2^23835909394 is an apocalyptic number.

23835909394 is a deficient number, since it is larger than the sum of its proper divisors (15336624878).

23835909394 is a wasteful number, since it uses less digits than its factorization.

23835909394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062.

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 23835909394 in words is "twenty-three billion, eight hundred thirty-five million, nine hundred nine thousand, three hundred ninety-four".