1023303033397 has 4 divisors (see below), whose sum is σ = 1023317365036. Its totient is φ = 1023288701760.

The previous prime is 1023303033383. The next prime is 1023303033433. The reversal of 1023303033397 is 7933303033201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 535884025681 + 487419007716 = 732041^2 + 698154^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023303033397 - 2³¹ = 1021155549749 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 (1023303033317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7058178 + ... + 7201699.

It is an arithmetic number, because the mean of its divisors is an integer number (255829341259).

Almost surely, 2^{1023303033397} is an apocalyptic number.

It is an amenable number.

1023303033397 is a deficient number, since it is larger than the sum of its proper divisors (14331639).

1023303033397 is an equidigital number, since it uses as much as digits as its factorization.

1023303033397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14331638.

The product of its (nonzero) digits is 91854, while the sum is 37.

Adding to 1023303033397 its reverse (7933303033201), we get a palindrome (8956606066598).

The spelling of 1023303033397 in words is "one trillion, twenty-three billion, three hundred three million, thirty-three thousand, three hundred ninety-seven".