1345306423557 has 8 divisors (see below), whose sum is σ = 1796271861280. Its totient is φ = 895605967440.

The previous prime is 1345306423537. The next prime is 1345306423567. The reversal of 1345306423557 is 7553246035431.

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

It is not a de Polignac number, because 1345306423557 - 2¹⁴ = 1345306407173 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 (1345306423537) 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, 316242919 + ... + 316247172.

It is an arithmetic number, because the mean of its divisors is an integer number (224533982660).

Almost surely, 2^{1345306423557} is an apocalyptic number.

It is an amenable number.

1345306423557 is a deficient number, since it is larger than the sum of its proper divisors (450965437723).

1345306423557 is an equidigital number, since it uses as much as digits as its factorization.

1345306423557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632490803.

The product of its (nonzero) digits is 4536000, while the sum is 48.

The spelling of 1345306423557 in words is "one trillion, three hundred forty-five billion, three hundred six million, four hundred twenty-three thousand, five hundred fifty-seven".