211423123299 has 8 divisors (see below), whose sum is σ = 285867885312. Its totient is φ = 138963555080.

The previous prime is 211423123243. The next prime is 211423123397. The reversal of 211423123299 is 992321324112.

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

It is a cyclic number.

It is not a de Polignac number, because 211423123299 - 2¹² = 211423119203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211423123699) 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, 496298199 + ... + 496298624.

It is an arithmetic number, because the mean of its divisors is an integer number (35733485664).

Almost surely, 2^211423123299 is an apocalyptic number.

211423123299 is a deficient number, since it is larger than the sum of its proper divisors (74444762013).

211423123299 is an equidigital number, since it uses as much as digits as its factorization.

211423123299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992596897.

The product of its digits is 46656, while the sum is 39.

The spelling of 211423123299 in words is "two hundred eleven billion, four hundred twenty-three million, one hundred twenty-three thousand, two hundred ninety-nine".