1255365023 has 4 divisors (see below), whose sum is σ = 1369489128. Its totient is φ = 1141240920.

The previous prime is 1255365011. The next prime is 1255365029. The reversal of 1255365023 is 3205635521.

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 1255365023 - 2⁶ = 1255364959 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 (1255365029) 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, 57062036 + ... + 57062057.

It is an arithmetic number, because the mean of its divisors is an integer number (342372282).

Almost surely, 2^1255365023 is an apocalyptic number.

1255365023 is a deficient number, since it is larger than the sum of its proper divisors (114124105).

1255365023 is a wasteful number, since it uses less digits than its factorization.

1255365023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114124104.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 1255365023 is about 35431.1307045090. The cubic root of 1255365023 is about 1078.7562909385.

The spelling of 1255365023 in words is "one billion, two hundred fifty-five million, three hundred sixty-five thousand, twenty-three".