1020232143 has 12 divisors (see below), whose sum is σ = 1684192848. Its totient is φ = 582989760.

The previous prime is 1020232141. The next prime is 1020232163. The reversal of 1020232143 is 3412320201.

It is not a de Polignac number, because 1020232143 - 2¹ = 1020232141 is a prime.

It is a super-2 number, since 2×1020232143² = 2081747251220744898, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020232141) 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, 8097018 + ... + 8097143.

It is an arithmetic number, because the mean of its divisors is an integer number (140349404).

Almost surely, 2^1020232143 is an apocalyptic number.

1020232143 is a deficient number, since it is larger than the sum of its proper divisors (663960705).

1020232143 is a wasteful number, since it uses less digits than its factorization.

1020232143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16194174 (or 16194171 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1020232143 is about 31941.0729782204. The cubic root of 1020232143 is about 1006.6990699163.

Adding to 1020232143 its reverse (3412320201), we get a palindrome (4432552344).

The spelling of 1020232143 in words is "one billion, twenty million, two hundred thirty-two thousand, one hundred forty-three".