1355125423 has 4 divisors (see below), whose sum is σ = 1356227488. Its totient is φ = 1354023360.

The previous prime is 1355125417. The next prime is 1355125441. The reversal of 1355125423 is 3245215531.

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 1355125423 - 2¹⁷ = 1354994351 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 (1355120423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549186 + ... + 551647.

It is an arithmetic number, because the mean of its divisors is an integer number (339056872).

Almost surely, 2^1355125423 is an apocalyptic number.

1355125423 is a deficient number, since it is larger than the sum of its proper divisors (1102065).

1355125423 is a wasteful number, since it uses less digits than its factorization.

1355125423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102064.

The product of its digits is 18000, while the sum is 31.

The square root of 1355125423 is about 36812.0282380637. The cubic root of 1355125423 is about 1106.6063661782.

The spelling of 1355125423 in words is "one billion, three hundred fifty-five million, one hundred twenty-five thousand, four hundred twenty-three".