101653532011623 has 16 divisors (see below), whose sum is σ = 135811187930880. Its totient is φ = 67632456032064.

The previous prime is 101653532011621. The next prime is 101653532011693. The reversal of 101653532011623 is 326110235356101.

It is not a de Polignac number, because 101653532011623 - 2¹ = 101653532011621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101653532011621) 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, 55871715 + ... + 57662427.

It is an arithmetic number, because the mean of its divisors is an integer number (8488199245680).

Almost surely, 2^{101653532011623} is an apocalyptic number.

101653532011623 is a deficient number, since it is larger than the sum of its proper divisors (34157655919257).

101653532011623 is a wasteful number, since it uses less digits than its factorization.

101653532011623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828838.

The product of its (nonzero) digits is 97200, while the sum is 39.

Adding to 101653532011623 its reverse (326110235356101), we get a palindrome (427763767367724).

The spelling of 101653532011623 in words is "one hundred one trillion, six hundred fifty-three billion, five hundred thirty-two million, eleven thousand, six hundred twenty-three".