1161325423 has 2 divisors, whose sum is σ = 1161325424. Its totient is φ = 1161325422.

The previous prime is 1161325409. The next prime is 1161325427. The reversal of 1161325423 is 3245231611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161325423 - 2⁹ = 1161324911 is a prime.

It is a super-2 number, since 2×1161325423² = 2697353476212257858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1161325391 and 1161325400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161325427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580662711 + 580662712.

It is an arithmetic number, because the mean of its divisors is an integer number (580662712).

Almost surely, 2^1161325423 is an apocalyptic number.

1161325423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161325423 is an equidigital number, since it uses as much as digits as its factorization.

1161325423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 1161325423 is about 34078.2250564785. The cubic root of 1161325423 is about 1051.1176075909.

The spelling of 1161325423 in words is "one billion, one hundred sixty-one million, three hundred twenty-five thousand, four hundred twenty-three".