1845723012 has 48 divisors (see below), whose sum is σ = 5080707072. Its totient is φ = 510337440.

The previous prime is 1845723007. The next prime is 1845723017. The reversal of 1845723012 is 2103275481.

It is an interprime number because it is at equal distance from previous prime (1845723007) and next prime (1845723017).

It is not an unprimeable number, because it can be changed into a prime (1845723017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351798 + ... + 357005.

It is an arithmetic number, because the mean of its divisors is an integer number (105848064).

Almost surely, 2^1845723012 is an apocalyptic number.

1845723012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1845723012 is an abundant number, since it is smaller than the sum of its proper divisors (3234984060).

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

1845723012 is a wasteful number, since it uses less digits than its factorization.

1845723012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708848 (or 708846 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1845723012 is about 42961.8785902106. The cubic root of 1845723012 is about 1226.6542719224.

Adding to 1845723012 its reverse (2103275481), we get a palindrome (3948998493).

The spelling of 1845723012 in words is "one billion, eight hundred forty-five million, seven hundred twenty-three thousand, twelve".