1355642177423 has 8 divisors (see below), whose sum is σ = 1381360369536. Its totient is φ = 1329929172000.

The previous prime is 1355642177413. The next prime is 1355642177429. The reversal of 1355642177423 is 3247712465531.

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

It is a cyclic number.

It is not a de Polignac number, because 1355642177423 - 2³⁰ = 1354568435599 is a prime.

It is a super-2 number, since 2×1355642177423² (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 (1355642177429) 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, 766943 + ... + 1816448.

It is an arithmetic number, because the mean of its divisors is an integer number (172670046192).

Almost surely, 2^{1355642177423} is an apocalyptic number.

1355642177423 is a deficient number, since it is larger than the sum of its proper divisors (25718192113).

1355642177423 is an equidigital number, since it uses as much as digits as its factorization.

1355642177423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593345.

The product of its digits is 4233600, while the sum is 50.

The spelling of 1355642177423 in words is "one trillion, three hundred fifty-five billion, six hundred forty-two million, one hundred seventy-seven thousand, four hundred twenty-three".