2123479086 has 8 divisors (see below), whose sum is σ = 4246958184. Its totient is φ = 707826360.

The previous prime is 2123479081. The next prime is 2123479091. The reversal of 2123479086 is 6809743212.

It is an interprime number because it is at equal distance from previous prime (2123479081) and next prime (2123479091).

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

2123479086 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123479081) 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 3 ways as a sum of consecutive naturals, for example, 176956585 + ... + 176956596.

It is an arithmetic number, because the mean of its divisors is an integer number (530869773).

Almost surely, 2^2123479086 is an apocalyptic number.

2123479086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123479086 is a wasteful number, since it uses less digits than its factorization.

2123479086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353913186.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2123479086 is about 46081.2227051323. Note that the first 3 decimals coincide. The cubic root of 2123479086 is about 1285.3340006990.

The spelling of 2123479086 in words is "two billion, one hundred twenty-three million, four hundred seventy-nine thousand, eighty-six".