100223540543 has 32 divisors (see below), whose sum is σ = 124832517120. Its totient is φ = 78594658560.

The previous prime is 100223540539. The next prime is 100223540603. The reversal of 100223540543 is 345045322001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100223540543 - 2² = 100223540539 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 (100223540503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208883 + ... + 494043.

It is an arithmetic number, because the mean of its divisors is an integer number (3901016160).

Almost surely, 2^100223540543 is an apocalyptic number.

100223540543 is a deficient number, since it is larger than the sum of its proper divisors (24608976577).

100223540543 is a wasteful number, since it uses less digits than its factorization.

100223540543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285287.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 100223540543 its reverse (345045322001), we get a palindrome (445268862544).

The spelling of 100223540543 in words is "one hundred billion, two hundred twenty-three million, five hundred forty thousand, five hundred forty-three".