1804147742323 has 2 divisors, whose sum is σ = 1804147742324. Its totient is φ = 1804147742322.

The previous prime is 1804147742269. The next prime is 1804147742333. The reversal of 1804147742323 is 3232477414081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1804147742323 - 2³³ = 1795557807731 is a prime.

It is a super-2 number, since 2×1804147742323² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1804147742333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902073871161 + 902073871162.

It is an arithmetic number, because the mean of its divisors is an integer number (902073871162).

Almost surely, 2^{1804147742323} is an apocalyptic number.

1804147742323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1804147742323 is an equidigital number, since it uses as much as digits as its factorization.

1804147742323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 1804147742323 in words is "one trillion, eight hundred four billion, one hundred forty-seven million, seven hundred forty-two thousand, three hundred twenty-three".