22403121143 has 12 divisors (see below), whose sum is σ = 24407859240. Its totient is φ = 20552908896.

The previous prime is 22403121133. The next prime is 22403121163. The reversal of 22403121143 is 34112130422.

It is not a de Polignac number, because 22403121143 - 2⁴ = 22403121127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22403121133) 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, 379088 + ... + 434181.

It is an arithmetic number, because the mean of its divisors is an integer number (2033988270).

Almost surely, 2^22403121143 is an apocalyptic number.

22403121143 is a deficient number, since it is larger than the sum of its proper divisors (2004738097).

22403121143 is a wasteful number, since it uses less digits than its factorization.

22403121143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813458 (or 813445 counting only the distinct ones).

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

Adding to 22403121143 its reverse (34112130422), we get a palindrome (56515251565).

The spelling of 22403121143 in words is "twenty-two billion, four hundred three million, one hundred twenty-one thousand, one hundred forty-three".