1371543775423 has 4 divisors (see below), whose sum is σ = 1371546126808. Its totient is φ = 1371541424040.

The previous prime is 1371543775417. The next prime is 1371543775429. The reversal of 1371543775423 is 3245773451731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1371543775417) and next prime (1371543775429).

It is a cyclic number.

It is not a de Polignac number, because 1371543775423 - 2³⁷ = 1234104821951 is a prime.

It is a super-2 number, since 2×1371543775423² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371543775429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432628 + ... + 1711798.

It is an arithmetic number, because the mean of its divisors is an integer number (342886531702).

Almost surely, 2^{1371543775423} is an apocalyptic number.

1371543775423 is a deficient number, since it is larger than the sum of its proper divisors (2351385).

1371543775423 is a wasteful number, since it uses less digits than its factorization.

1371543775423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351384.

The product of its digits is 7408800, while the sum is 52.

The spelling of 1371543775423 in words is "one trillion, three hundred seventy-one billion, five hundred forty-three million, seven hundred seventy-five thousand, four hundred twenty-three".