1143202023 has 12 divisors (see below), whose sum is σ = 1663898808. Its totient is φ = 756316080.

The previous prime is 1143202003. The next prime is 1143202033. The reversal of 1143202023 is 3202023411.

It is not a de Polignac number, because 1143202023 - 2⁸ = 1143201767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143201987 and 1143202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143202003) 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, 483640 + ... + 485997.

It is an arithmetic number, because the mean of its divisors is an integer number (138658234).

Almost surely, 2^1143202023 is an apocalyptic number.

1143202023 is a deficient number, since it is larger than the sum of its proper divisors (520696785).

1143202023 is a wasteful number, since it uses less digits than its factorization.

1143202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969774 (or 969771 counting only the distinct ones).

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

The square root of 1143202023 is about 33811.2706504798. The cubic root of 1143202023 is about 1045.6210750620.

Adding to 1143202023 its reverse (3202023411), we get a palindrome (4345225434).

The spelling of 1143202023 in words is "one billion, one hundred forty-three million, two hundred two thousand, twenty-three".