1023032143 has 16 divisors (see below), whose sum is σ = 1255840000. Its totient is φ = 830727576.

The previous prime is 1023032141. The next prime is 1023032161. The reversal of 1023032143 is 3412303201.

It is not a de Polignac number, because 1023032143 - 2¹ = 1023032141 is a prime.

It is a super-2 number, since 2×1023032143² = 2093189531222344898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023032143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023032141) 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, 71973 + ... + 85006.

It is an arithmetic number, because the mean of its divisors is an integer number (78490000).

Almost surely, 2^1023032143 is an apocalyptic number.

1023032143 is a deficient number, since it is larger than the sum of its proper divisors (232807857).

1023032143 is an equidigital number, since it uses as much as digits as its factorization.

1023032143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157019 (or 157005 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1023032143 is about 31984.8736592784. The cubic root of 1023032143 is about 1007.6191816351.

Adding to 1023032143 its reverse (3412303201), we get a palindrome (4435335344).

The spelling of 1023032143 in words is "one billion, twenty-three million, thirty-two thousand, one hundred forty-three".