2123805348 has 72 divisors (see below), whose sum is σ = 6213159680. Its totient is φ = 599114880.

The previous prime is 2123805337. The next prime is 2123805361. The reversal of 2123805348 is 8435083212.

2123805348 is a `hidden beast` number, since 21 + 23 + 80 + 534 + 8 = 666.

It is a super-2 number, since 2×2123805348² = 9021098312386802208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 33433 + ... + 73248.

Almost surely, 2^2123805348 is an apocalyptic number.

2123805348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2123805348 is an abundant number, since it is smaller than the sum of its proper divisors (4089354332).

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

2123805348 is a wasteful number, since it uses less digits than its factorization.

2123805348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106777 (or 106772 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2123805348 is about 46084.7626445011. The cubic root of 2123805348 is about 1285.3998257200.

The spelling of 2123805348 in words is "two billion, one hundred twenty-three million, eight hundred five thousand, three hundred forty-eight".