1303401335323 has 4 divisors (see below), whose sum is σ = 1333712994328. Its totient is φ = 1273089676320.

The previous prime is 1303401335303. The next prime is 1303401335333. The reversal of 1303401335323 is 3235331043031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303401335323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303401335303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15155829438 + ... + 15155829523.

It is an arithmetic number, because the mean of its divisors is an integer number (333428248582).

Almost surely, 2^{1303401335323} is an apocalyptic number.

1303401335323 is a deficient number, since it is larger than the sum of its proper divisors (30311659005).

1303401335323 is an equidigital number, since it uses as much as digits as its factorization.

1303401335323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30311659004.

The product of its (nonzero) digits is 29160, while the sum is 31.

Adding to 1303401335323 its reverse (3235331043031), we get a palindrome (4538732378354).

The spelling of 1303401335323 in words is "one trillion, three hundred three billion, four hundred one million, three hundred thirty-five thousand, three hundred twenty-three".