2900009823 has 8 divisors (see below), whose sum is σ = 3867198000. Its totient is φ = 1933080768.

The previous prime is 2900009779. The next prime is 2900009837. The reversal of 2900009823 is 3289000092.

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

It is not a de Polignac number, because 2900009823 - 2⁶ = 2900009759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900009863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36958 + ... + 84651.

It is an arithmetic number, because the mean of its divisors is an integer number (483399750).

Almost surely, 2^2900009823 is an apocalyptic number.

2900009823 is a deficient number, since it is larger than the sum of its proper divisors (967188177).

2900009823 is a wasteful number, since it uses less digits than its factorization.

2900009823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129561.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2900009823 is about 53851.7392755332. The cubic root of 2900009823 is about 1426.0447572580.

The spelling of 2900009823 in words is "two billion, nine hundred million, nine thousand, eight hundred twenty-three".