1816058923 has 6 divisors (see below), whose sum is σ = 2112558396. Its totient is φ = 1556621892.

The previous prime is 1816058917. The next prime is 1816058941. The reversal of 1816058923 is 3298506181.

It is not a de Polignac number, because 1816058923 - 2¹⁷ = 1815927851 is a prime.

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 1816058923.

It is not an unprimeable number, because it can be changed into a prime (1816058423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18531165 + ... + 18531262.

It is an arithmetic number, because the mean of its divisors is an integer number (352093066).

Almost surely, 2^1816058923 is an apocalyptic number.

1816058923 is a deficient number, since it is larger than the sum of its proper divisors (296499473).

1816058923 is an equidigital number, since it uses as much as digits as its factorization.

1816058923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37062441 (or 37062434 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1816058923 is about 42615.2428480702. The cubic root of 1816058923 is about 1220.0472352490.

The spelling of 1816058923 in words is "one billion, eight hundred sixteen million, fifty-eight thousand, nine hundred twenty-three".