101235423634 has 16 divisors (see below), whose sum is σ = 162320215680. Its totient is φ = 47236039840.

The previous prime is 101235423613. The next prime is 101235423659. The reversal of 101235423634 is 436324532101.

It is a happy number.

It is a super-2 number, since 2×101235423634² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101235423634.

It is an unprimeable number.

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, 26836774 + ... + 26840545.

It is an arithmetic number, because the mean of its divisors is an integer number (10145013480).

Almost surely, 2^101235423634 is an apocalyptic number.

101235423634 is a deficient number, since it is larger than the sum of its proper divisors (61084792046).

101235423634 is a wasteful number, since it uses less digits than its factorization.

101235423634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53677385.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 101235423634 its reverse (436324532101), we get a palindrome (537559955735).

The spelling of 101235423634 in words is "one hundred one billion, two hundred thirty-five million, four hundred twenty-three thousand, six hundred thirty-four".