1345320233453 has 8 divisors (see below), whose sum is σ = 1539885209472. Its totient is φ = 1151349350256.

The previous prime is 1345320233441. The next prime is 1345320233473. The reversal of 1345320233453 is 3543320235431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1345320233453 - 2¹⁸ = 1345319971309 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 (1345320233473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148518350 + ... + 148527407.

It is an arithmetic number, because the mean of its divisors is an integer number (192485651184).

Almost surely, 2^{1345320233453} is an apocalyptic number.

It is an amenable number.

1345320233453 is a deficient number, since it is larger than the sum of its proper divisors (194564976019).

1345320233453 is an equidigital number, since it uses as much as digits as its factorization.

1345320233453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297046411.

The product of its (nonzero) digits is 388800, while the sum is 38.

Adding to 1345320233453 its reverse (3543320235431), we get a palindrome (4888640468884).

The spelling of 1345320233453 in words is "one trillion, three hundred forty-five billion, three hundred twenty million, two hundred thirty-three thousand, four hundred fifty-three".