101223636434 has 16 divisors (see below), whose sum is σ = 152073583488. Its totient is φ = 50532498912.

The previous prime is 101223636419. The next prime is 101223636439. The reversal of 101223636434 is 434636322101.

It is a super-2 number, since 2×101223636434² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101223636394 and 101223636403.

It is not an unprimeable number, because it can be changed into a prime (101223636439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3965099 + ... + 3990545.

It is an arithmetic number, because the mean of its divisors is an integer number (9504598968).

Almost surely, 2^101223636434 is an apocalyptic number.

101223636434 is a deficient number, since it is larger than the sum of its proper divisors (50849947054).

101223636434 is a wasteful number, since it uses less digits than its factorization.

101223636434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28489.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 101223636434 its reverse (434636322101), we get a palindrome (535859958535).

The spelling of 101223636434 in words is "one hundred one billion, two hundred twenty-three million, six hundred thirty-six thousand, four hundred thirty-four".