1982106723 has 8 divisors (see below), whose sum is σ = 2643045568. Its totient is φ = 1321286184.

The previous prime is 1982106713. The next prime is 1982106739. The reversal of 1982106723 is 3276012891.

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

It is not a de Polignac number, because 1982106723 - 2⁵ = 1982106691 is a prime.

It is a super-2 number, since 2×1982106723² = 7857494122723597458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1982106713) 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, 22740 + ... + 66942.

It is an arithmetic number, because the mean of its divisors is an integer number (330380696).

Almost surely, 2^1982106723 is an apocalyptic number.

1982106723 is a deficient number, since it is larger than the sum of its proper divisors (660938845).

1982106723 is a wasteful number, since it uses less digits than its factorization.

1982106723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59153.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1982106723 is about 44520.8571682981. The cubic root of 1982106723 is about 1256.1524359171.

The spelling of 1982106723 in words is "one billion, nine hundred eighty-two million, one hundred six thousand, seven hundred twenty-three".