1303435144323 has 24 divisors (see below), whose sum is σ = 2027609351040. Its totient is φ = 802096698240.

The previous prime is 1303435144309. The next prime is 1303435144337. The reversal of 1303435144323 is 3234415343031.

1303435144323 is a `hidden beast` number, since 130 + 3 + 4 + 3 + 514 + 4 + 3 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1303435144309) and next prime (1303435144337).

It is not a de Polignac number, because 1303435144323 - 2⁹ = 1303435143811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303435144373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7311118 + ... + 7487276.

It is an arithmetic number, because the mean of its divisors is an integer number (84483722960).

Almost surely, 2^{1303435144323} is an apocalyptic number.

1303435144323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1303435144323 is a deficient number, since it is larger than the sum of its proper divisors (724174206717).

1303435144323 is a wasteful number, since it uses less digits than its factorization.

1303435144323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239419 (or 239416 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The spelling of 1303435144323 in words is "one trillion, three hundred three billion, four hundred thirty-five million, one hundred forty-four thousand, three hundred twenty-three".