9954322823 has 2 divisors, whose sum is σ = 9954322824. Its totient is φ = 9954322822.

The previous prime is 9954322799. The next prime is 9954322831. The reversal of 9954322823 is 3282234599.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9954322823 - 2¹² = 9954318727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9954322853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977161411 + 4977161412.

It is an arithmetic number, because the mean of its divisors is an integer number (4977161412).

Almost surely, 2^9954322823 is an apocalyptic number.

9954322823 is a deficient number, since it is larger than the sum of its proper divisors (1).

9954322823 is an equidigital number, since it uses as much as digits as its factorization.

9954322823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The square root of 9954322823 is about 99771.3527171001. The cubic root of 9954322823 is about 2151.1493996942.

The spelling of 9954322823 in words is "nine billion, nine hundred fifty-four million, three hundred twenty-two thousand, eight hundred twenty-three".