110023513543 has 4 divisors (see below), whose sum is σ = 110140935520. Its totient is φ = 109906091568.

The previous prime is 110023513487. The next prime is 110023513637. The reversal of 110023513543 is 345315320011.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110023513543 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 (110023513043) 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, 58709583 + ... + 58711456.

It is an arithmetic number, because the mean of its divisors is an integer number (27535233880).

Almost surely, 2^110023513543 is an apocalyptic number.

110023513543 is a deficient number, since it is larger than the sum of its proper divisors (117421977).

110023513543 is an equidigital number, since it uses as much as digits as its factorization.

110023513543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117421976.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 110023513543 its reverse (345315320011), we get a palindrome (455338833554).

It can be divided in two parts, 1100235 and 13543, that added together give a triangular number (1113778 = T₁₄₉₂).

The spelling of 110023513543 in words is "one hundred ten billion, twenty-three million, five hundred thirteen thousand, five hundred forty-three".