2040695823 has 8 divisors (see below), whose sum is σ = 2722145536. Its totient is φ = 1359855000.

The previous prime is 2040695819. The next prime is 2040695857. The reversal of 2040695823 is 3285960402.

It is a happy number.

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

It is not a de Polignac number, because 2040695823 - 2² = 2040695819 is a prime.

It is a super-3 number, since 3×2040695823³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040695023) 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, 144343 + ... + 157848.

It is an arithmetic number, because the mean of its divisors is an integer number (340268192).

Almost surely, 2^2040695823 is an apocalyptic number.

2040695823 is a deficient number, since it is larger than the sum of its proper divisors (681449713).

2040695823 is a wasteful number, since it uses less digits than its factorization.

2040695823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304445.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2040695823 is about 45174.0613958940. The cubic root of 2040695823 is about 1268.4093220800.

The spelling of 2040695823 in words is "two billion, forty million, six hundred ninety-five thousand, eight hundred twenty-three".