1345401332423 has 4 divisors (see below), whose sum is σ = 1347024254040. Its totient is φ = 1343778410808.

The previous prime is 1345401332383. The next prime is 1345401332437. The reversal of 1345401332423 is 3242331045431.

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 1345401332423 - 2¹⁰ = 1345401331399 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 (1345401338423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811459565 + ... + 811461222.

It is an arithmetic number, because the mean of its divisors is an integer number (336756063510).

Almost surely, 2^{1345401332423} is an apocalyptic number.

1345401332423 is a deficient number, since it is larger than the sum of its proper divisors (1622921617).

1345401332423 is an equidigital number, since it uses as much as digits as its factorization.

1345401332423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622921616.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 1345401332423 its reverse (3242331045431), we get a palindrome (4587732377854).

The spelling of 1345401332423 in words is "one trillion, three hundred forty-five billion, four hundred one million, three hundred thirty-two thousand, four hundred twenty-three".