1839781344023 has 8 divisors (see below), whose sum is σ = 2104988466048. Its totient is φ = 1575169525944.

The previous prime is 1839781344019. The next prime is 1839781344073. The reversal of 1839781344023 is 3204431879381.

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

It is not a de Polignac number, because 1839781344023 - 2² = 1839781344019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839781344013) 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, 148819361 + ... + 148831722.

It is an arithmetic number, because the mean of its divisors is an integer number (263123558256).

Almost surely, 2^{1839781344023} is an apocalyptic number.

1839781344023 is a deficient number, since it is larger than the sum of its proper divisors (265207122025).

1839781344023 is an equidigital number, since it uses as much as digits as its factorization.

1839781344023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297651973.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 1839781344023 in words is "one trillion, eight hundred thirty-nine billion, seven hundred eighty-one million, three hundred forty-four thousand, twenty-three".