1143202421003 has 4 divisors (see below), whose sum is σ = 1151546964360. Its totient is φ = 1134857877648.

The previous prime is 1143202420939. The next prime is 1143202421017. The reversal of 1143202421003 is 3001242023411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1143202421003 - 2⁶ = 1143202420939 is a prime.

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 1143202421003.

It is not an unprimeable number, because it can be changed into a prime (1143202421903) 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, 4172271473 + ... + 4172271746.

It is an arithmetic number, because the mean of its divisors is an integer number (287886741090).

Almost surely, 2^{1143202421003} is an apocalyptic number.

1143202421003 is a deficient number, since it is larger than the sum of its proper divisors (8344543357).

1143202421003 is an equidigital number, since it uses as much as digits as its factorization.

1143202421003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344543356.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1143202421003 its reverse (3001242023411), we get a palindrome (4144444444414).

The spelling of 1143202421003 in words is "one trillion, one hundred forty-three billion, two hundred two million, four hundred twenty-one thousand, three".