1011023163 has 12 divisors (see below), whose sum is σ = 1465354800. Its totient is φ = 671713296.

The previous prime is 1011023161. The next prime is 1011023183. The reversal of 1011023163 is 3613201101.

It is not a de Polignac number, because 1011023163 - 2¹ = 1011023161 is a prime.

It is a super-2 number, since 2×1011023163² = 2044335672245049138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011023161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189063 + ... + 194336.

It is an arithmetic number, because the mean of its divisors is an integer number (122112900).

Almost surely, 2^1011023163 is an apocalyptic number.

1011023163 is a deficient number, since it is larger than the sum of its proper divisors (454331637).

1011023163 is a wasteful number, since it uses less digits than its factorization.

1011023163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383698 (or 383695 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1011023163 is about 31796.5904304219. The cubic root of 1011023163 is about 1003.6609686198.

Adding to 1011023163 its reverse (3613201101), we get a palindrome (4624224264).

The spelling of 1011023163 in words is "one billion, eleven million, twenty-three thousand, one hundred sixty-three".