1345253361223 has 4 divisors (see below), whose sum is σ = 1370635500168. Its totient is φ = 1319871222280.

The previous prime is 1345253361209. The next prime is 1345253361239. The reversal of 1345253361223 is 3221633525431.

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-1345253361223 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 (1345253061223) 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, 12691069393 + ... + 12691069498.

It is an arithmetic number, because the mean of its divisors is an integer number (342658875042).

Almost surely, 2^{1345253361223} is an apocalyptic number.

1345253361223 is a deficient number, since it is larger than the sum of its proper divisors (25382138945).

1345253361223 is an equidigital number, since it uses as much as digits as its factorization.

1345253361223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25382138944.

The product of its digits is 388800, while the sum is 40.

Adding to 1345253361223 its reverse (3221633525431), we get a palindrome (4566886886654).

The spelling of 1345253361223 in words is "one trillion, three hundred forty-five billion, two hundred fifty-three million, three hundred sixty-one thousand, two hundred twenty-three".