1923073536 has 80 divisors (see below), whose sum is σ = 5153513904. Its totient is φ = 637231104.

The previous prime is 1923073519. The next prime is 1923073567. The reversal of 1923073536 is 6353703291.

It is a junction number, because it is equal to n+sod(n) for n = 1923073494 and 1923073503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262110 + ... + 269346.

Almost surely, 2^1923073536 is an apocalyptic number.

1923073536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1923073536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2576756952).

1923073536 is an abundant number, since it is smaller than the sum of its proper divisors (3230440368).

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

1923073536 is an equidigital number, since it uses as much as digits as its factorization.

1923073536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431 (or 7415 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 39.

The square root of 1923073536 is about 43852.8623467158. The cubic root of 1923073536 is about 1243.5558565144. Note that the first 3 decimals are identical.

The spelling of 1923073536 in words is "one billion, nine hundred twenty-three million, seventy-three thousand, five hundred thirty-six".