1163423506 has 16 divisors (see below), whose sum is σ = 2000004480. Its totient is φ = 497219040.

The previous prime is 1163423483. The next prime is 1163423549. The reversal of 1163423506 is 6053243611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110715 + ... + 120766.

It is an arithmetic number, because the mean of its divisors is an integer number (125000280).

Almost surely, 2^1163423506 is an apocalyptic number.

1163423506 is a deficient number, since it is larger than the sum of its proper divisors (836580974).

1163423506 is a wasteful number, since it uses less digits than its factorization.

1163423506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231849.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1163423506 is about 34108.9945029167. The cubic root of 1163423506 is about 1051.7502196046.

The spelling of 1163423506 in words is "one billion, one hundred sixty-three million, four hundred twenty-three thousand, five hundred six".