105542631023 has 16 divisors (see below), whose sum is σ = 111821184000. Its totient is φ = 99337482432.

The previous prime is 105542630993. The next prime is 105542631097. The reversal of 105542631023 is 320136245501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 105542631023 - 2¹⁰ = 105542629999 is a prime.

It is a super-2 number, since 2×105542631023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105542631223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3825986 + ... + 3853472.

It is an arithmetic number, because the mean of its divisors is an integer number (6988824000).

Almost surely, 2^105542631023 is an apocalyptic number.

105542631023 is a deficient number, since it is larger than the sum of its proper divisors (6278552977).

105542631023 is a wasteful number, since it uses less digits than its factorization.

105542631023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28814.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 105542631023 its reverse (320136245501), we get a palindrome (425678876524).

The spelling of 105542631023 in words is "one hundred five billion, five hundred forty-two million, six hundred thirty-one thousand, twenty-three".