1255023313423 has 4 divisors (see below), whose sum is σ = 1369116341928. Its totient is φ = 1140930284920.

The previous prime is 1255023313399. The next prime is 1255023313471. The reversal of 1255023313423 is 3243133205521.

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 1255023313423 - 2²¹ = 1255021216271 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 (1255023313123) 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, 57046514236 + ... + 57046514257.

It is an arithmetic number, because the mean of its divisors is an integer number (342279085482).

Almost surely, 2^{1255023313423} is an apocalyptic number.

1255023313423 is a deficient number, since it is larger than the sum of its proper divisors (114093028505).

1255023313423 is a wasteful number, since it uses less digits than its factorization.

1255023313423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114093028504.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 1255023313423 its reverse (3243133205521), we get a palindrome (4498156518944).

The spelling of 1255023313423 in words is "one trillion, two hundred fifty-five billion, twenty-three million, three hundred thirteen thousand, four hundred twenty-three".