201823906115 has 8 divisors (see below), whose sum is σ = 260818586448. Its totient is φ = 149039192160.

The previous prime is 201823906091. The next prime is 201823906127. The reversal of 201823906115 is 511609328102.

It is a happy number.

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

It is not a de Polignac number, because 201823906115 - 2¹² = 201823902019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552491521 + ... + 1552491650.

It is an arithmetic number, because the mean of its divisors is an integer number (32602323306).

Almost surely, 2^201823906115 is an apocalyptic number.

201823906115 is a deficient number, since it is larger than the sum of its proper divisors (58994680333).

201823906115 is a wasteful number, since it uses less digits than its factorization.

201823906115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104983189.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 201823906115 in words is "two hundred one billion, eight hundred twenty-three million, nine hundred six thousand, one hundred fifteen".