1256050407323 has 2 divisors, whose sum is σ = 1256050407324. Its totient is φ = 1256050407322.

The previous prime is 1256050407277. The next prime is 1256050407329. The reversal of 1256050407323 is 3237040506521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1256050407323 - 2⁶ = 1256050407259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1256050407329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628025203661 + 628025203662.

It is an arithmetic number, because the mean of its divisors is an integer number (628025203662).

Almost surely, 2^{1256050407323} is an apocalyptic number.

1256050407323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1256050407323 is an equidigital number, since it uses as much as digits as its factorization.

1256050407323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 1256050407323 in words is "one trillion, two hundred fifty-six billion, fifty million, four hundred seven thousand, three hundred twenty-three".