2123494206 has 16 divisors (see below), whose sum is σ = 4257910800. Its totient is φ = 706011008.

The previous prime is 2123494187. The next prime is 2123494213. The reversal of 2123494206 is 6024943212.

It is a congruent 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, 452571 + ... + 457238.

It is an arithmetic number, because the mean of its divisors is an integer number (266119425).

Almost surely, 2^2123494206 is an apocalyptic number.

2123494206 is an abundant number, since it is smaller than the sum of its proper divisors (2134416594).

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

2123494206 is a wasteful number, since it uses less digits than its factorization.

2123494206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910203.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 2123494206 is about 46081.3867629871. The cubic root of 2123494206 is about 1285.3370513850.

It can be divided in two parts, 21234 and 94206, that added together give a triangular number (115440 = T₄₈₀).

The spelling of 2123494206 in words is "two billion, one hundred twenty-three million, four hundred ninety-four thousand, two hundred six".