1340303234023 has 6 divisors (see below), whose sum is σ = 1451334271344. Its totient is φ = 1237202985096.

The previous prime is 1340303234009. The next prime is 1340303234033. The reversal of 1340303234023 is 3204323030431.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1340303234023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340303233982 and 1340303234000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340303234033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3965394015 + ... + 3965394352.

It is an arithmetic number, because the mean of its divisors is an integer number (241889045224).

Almost surely, 2^{1340303234023} is an apocalyptic number.

1340303234023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1340303234023 is a deficient number, since it is larger than the sum of its proper divisors (111031037321).

1340303234023 is an equidigital number, since it uses as much as digits as its factorization.

1340303234023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7930788393 (or 7930788380 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 1340303234023 its reverse (3204323030431), we get a palindrome (4544626264454).

The spelling of 1340303234023 in words is "one trillion, three hundred forty billion, three hundred three million, two hundred thirty-four thousand, twenty-three".