1023142216 has 16 divisors (see below), whose sum is σ = 1918836540. Its totient is φ = 511452480.

The previous prime is 1023142171. The next prime is 1023142217. The reversal of 1023142216 is 6122413201.

It can be written as a sum of positive squares in 2 ways, for example, as 986588100 + 36554116 = 31410^2 + 6046^2 .

It is a super-2 number, since 2×1023142216² = 2093639988322781312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023142217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29686 + ... + 54106.

Almost surely, 2^1023142216 is an apocalyptic number.

It is an amenable number.

1023142216 is a deficient number, since it is larger than the sum of its proper divisors (895694324).

1023142216 is a wasteful number, since it uses less digits than its factorization.

1023142216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29664 (or 29660 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1023142216 is about 31986.5943169947. The cubic root of 1023142216 is about 1007.6553185540.

Adding to 1023142216 its reverse (6122413201), we get a palindrome (7145555417).

The spelling of 1023142216 in words is "one billion, twenty-three million, one hundred forty-two thousand, two hundred sixteen".