1161106823 has 2 divisors, whose sum is σ = 1161106824. Its totient is φ = 1161106822.

The previous prime is 1161106819. The next prime is 1161106871. The reversal of 1161106823 is 3286011611.

It is a weak prime.

It is an emirp because it is prime and its reverse (3286011611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1161106823 - 2² = 1161106819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161106883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580553411 + 580553412.

It is an arithmetic number, because the mean of its divisors is an integer number (580553412).

Almost surely, 2^1161106823 is an apocalyptic number.

1161106823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161106823 is an equidigital number, since it uses as much as digits as its factorization.

1161106823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1161106823 is about 34075.0175788656. The cubic root of 1161106823 is about 1051.0516517089.

The spelling of 1161106823 in words is "one billion, one hundred sixty-one million, one hundred six thousand, eight hundred twenty-three".