1255485923 has 4 divisors (see below), whose sum is σ = 1256716608. Its totient is φ = 1254255240.

The previous prime is 1255485899. The next prime is 1255485937. The reversal of 1255485923 is 3295845521.

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 1255485923 - 2²⁰ = 1254437347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255485983) 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, 613811 + ... + 615852.

It is an arithmetic number, because the mean of its divisors is an integer number (314179152).

Almost surely, 2^1255485923 is an apocalyptic number.

1255485923 is a deficient number, since it is larger than the sum of its proper divisors (1230685).

1255485923 is a wasteful number, since it uses less digits than its factorization.

1255485923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230684.

The product of its digits is 432000, while the sum is 44.

The square root of 1255485923 is about 35432.8367901866. The cubic root of 1255485923 is about 1078.7909202951.

The spelling of 1255485923 in words is "one billion, two hundred fifty-five million, four hundred eighty-five thousand, nine hundred twenty-three".