23966949858 has 16 divisors (see below), whose sum is σ = 47966239776. Its totient is φ = 7983593280.

The previous prime is 23966949827. The next prime is 23966949859. The reversal of 23966949858 is 85894966932.

It is a junction number, because it is equal to n+sod(n) for n = 23966949792 and 23966949801.

It is not an unprimeable number, because it can be changed into a prime (23966949859) 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, 1337863 + ... + 1355658.

It is an arithmetic number, because the mean of its divisors is an integer number (2997889986).

Almost surely, 2^23966949858 is an apocalyptic number.

23966949858 is an abundant number, since it is smaller than the sum of its proper divisors (23999289918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23966949858 is a wasteful number, since it uses less digits than its factorization.

23966949858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695009.

The product of its digits is 201553920, while the sum is 69.

The spelling of 23966949858 in words is "twenty-three billion, nine hundred sixty-six million, nine hundred forty-nine thousand, eight hundred fifty-eight".