2108582123 has 4 divisors (see below), whose sum is σ = 2110470960. Its totient is φ = 2106693288.

The previous prime is 2108582107. The next prime is 2108582129. The reversal of 2108582123 is 3212858012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2108582123 - 2⁴ = 2108582107 is a prime.

It is a super-2 number, since 2×2108582123² = 8892237138870374258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2108582123.

It is not an unprimeable number, because it can be changed into a prime (2108582129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942743 + ... + 944976.

It is an arithmetic number, because the mean of its divisors is an integer number (527617740).

Almost surely, 2^2108582123 is an apocalyptic number.

2108582123 is a deficient number, since it is larger than the sum of its proper divisors (1888837).

2108582123 is a wasteful number, since it uses less digits than its factorization.

2108582123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888836.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 2108582123 is about 45919.3001144399. The cubic root of 2108582123 is about 1282.3212523918.

The spelling of 2108582123 in words is "two billion, one hundred eight million, five hundred eighty-two thousand, one hundred twenty-three".