1023340400303 has 4 divisors (see below), whose sum is σ = 1102058892648. Its totient is φ = 944621907960.

The previous prime is 1023340400293. The next prime is 1023340400339. The reversal of 1023340400303 is 3030040433201.

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

It is a cyclic number.

It is not a de Polignac number, because 1023340400303 - 2²² = 1023336205999 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 (1023340400393) 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, 39359246153 + ... + 39359246178.

It is an arithmetic number, because the mean of its divisors is an integer number (275514723162).

Almost surely, 2^{1023340400303} is an apocalyptic number.

1023340400303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1023340400303 is a deficient number, since it is larger than the sum of its proper divisors (78718492345).

1023340400303 is an equidigital number, since it uses as much as digits as its factorization.

1023340400303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78718492344.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 1023340400303 its reverse (3030040433201), we get a palindrome (4053380833504).

The spelling of 1023340400303 in words is "one trillion, twenty-three billion, three hundred forty million, four hundred thousand, three hundred three".