1023403102143 has 16 divisors (see below), whose sum is σ = 1444992595200. Its totient is φ = 642051628416.

The previous prime is 1023403102103. The next prime is 1023403102187. The reversal of 1023403102143 is 3412013043201.

It is a happy number.

It is not a de Polignac number, because 1023403102143 - 2⁸ = 1023403101887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023403102103) 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, 910555 + ... + 1695852.

It is an arithmetic number, because the mean of its divisors is an integer number (90312037200).

Almost surely, 2^{1023403102143} is an apocalyptic number.

1023403102143 is a deficient number, since it is larger than the sum of its proper divisors (421589493057).

1023403102143 is a wasteful number, since it uses less digits than its factorization.

1023403102143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614126.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1023403102143 its reverse (3412013043201), we get a palindrome (4435416145344).

The spelling of 1023403102143 in words is "one trillion, twenty-three billion, four hundred three million, one hundred two thousand, one hundred forty-three".