1155346428323 has 2 divisors, whose sum is σ = 1155346428324. Its totient is φ = 1155346428322.

The previous prime is 1155346428281. The next prime is 1155346428329. The reversal of 1155346428323 is 3238246435511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1155346428323 - 2⁶ = 1155346428259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1155346428329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577673214161 + 577673214162.

It is an arithmetic number, because the mean of its divisors is an integer number (577673214162).

Almost surely, 2^{1155346428323} is an apocalyptic number.

1155346428323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155346428323 is an equidigital number, since it uses as much as digits as its factorization.

1155346428323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 47.

The spelling of 1155346428323 in words is "one trillion, one hundred fifty-five billion, three hundred forty-six million, four hundred twenty-eight thousand, three hundred twenty-three".