1255857323 has 8 divisors (see below), whose sum is σ = 1435629792. Its totient is φ = 1076175936.

The previous prime is 1255857319. The next prime is 1255857353. The reversal of 1255857323 is 3237585521.

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 1255857323 - 2² = 1255857319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255857353) 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, 9911 + ... + 51087.

It is an arithmetic number, because the mean of its divisors is an integer number (179453724).

Almost surely, 2^1255857323 is an apocalyptic number.

1255857323 is a deficient number, since it is larger than the sum of its proper divisors (179772469).

1255857323 is an equidigital number, since it uses as much as digits as its factorization.

1255857323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45541.

The product of its digits is 252000, while the sum is 41.

The square root of 1255857323 is about 35438.0773039396. The cubic root of 1255857323 is about 1078.8972864010.

The spelling of 1255857323 in words is "one billion, two hundred fifty-five million, eight hundred fifty-seven thousand, three hundred twenty-three".