1163326023 has 16 divisors (see below), whose sum is σ = 1725112800. Its totient is φ = 774800640.

The previous prime is 1163326019. The next prime is 1163326049. The reversal of 1163326023 is 3206233611.

It is a happy number.

1163326023 is a `hidden beast` number, since 1 + 1 + 633 + 2 + 6 + 0 + 23 = 666.

It is not a de Polignac number, because 1163326023 - 2² = 1163326019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163326013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8343 + ... + 48951.

It is an arithmetic number, because the mean of its divisors is an integer number (107819550).

Almost surely, 2^1163326023 is an apocalyptic number.

1163326023 is a deficient number, since it is larger than the sum of its proper divisors (561786777).

1163326023 is a wasteful number, since it uses less digits than its factorization.

1163326023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41679 (or 41673 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 1163326023 is about 34107.5654804033. The cubic root of 1163326023 is about 1051.7208434775.

Adding to 1163326023 its reverse (3206233611), we get a palindrome (4369559634).

The spelling of 1163326023 in words is "one billion, one hundred sixty-three million, three hundred twenty-six thousand, twenty-three".