9902953823 has 8 divisors (see below), whose sum is σ = 11389749792. Its totient is φ = 8434179936.

The previous prime is 9902953817. The next prime is 9902953829. The reversal of 9902953823 is 3283592099.

9902953823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9902953817) and next prime (9902953829).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9902953823 - 2⁶ = 9902953759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9902953829) 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 7 ways as a sum of consecutive naturals, for example, 4504340 + ... + 4506537.

It is an arithmetic number, because the mean of its divisors is an integer number (1423718724).

Almost surely, 2^9902953823 is an apocalyptic number.

9902953823 is a deficient number, since it is larger than the sum of its proper divisors (1486795969).

9902953823 is a wasteful number, since it uses less digits than its factorization.

9902953823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011041.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 9902953823 is about 99513.5861226998. The cubic root of 9902953823 is about 2147.4427011473.

The spelling of 9902953823 in words is "nine billion, nine hundred two million, nine hundred fifty-three thousand, eight hundred twenty-three".