1305235042323 has 12 divisors (see below), whose sum is σ = 1752071823768. Its totient is φ = 864316672960.

The previous prime is 1305235042247. The next prime is 1305235042327. The reversal of 1305235042323 is 3232405325031.

It is not a de Polignac number, because 1305235042323 - 2³³ = 1296645107731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1305235042327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9732018 + ... + 9865223.

It is an arithmetic number, because the mean of its divisors is an integer number (146005985314).

Almost surely, 2^{1305235042323} is an apocalyptic number.

1305235042323 is a deficient number, since it is larger than the sum of its proper divisors (446836781445).

1305235042323 is an equidigital number, since it uses as much as digits as its factorization.

1305235042323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19597542 (or 19597393 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 33.

The spelling of 1305235042323 in words is "one trillion, three hundred five billion, two hundred thirty-five million, forty-two thousand, three hundred twenty-three".