105623412364615 has 16 divisors (see below), whose sum is σ = 127377802585440. Its totient is φ = 84079750308480.

The previous prime is 105623412364609. The next prime is 105623412364619. The reversal of 105623412364615 is 516463214326501.

It is a happy number.

It is not a de Polignac number, because 105623412364615 - 2⁹ = 105623412364103 is a prime.

It is a super-2 number, since 2×105623412364615² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105623412364619) 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, 50574856 + ... + 52621885.

It is an arithmetic number, because the mean of its divisors is an integer number (7961112661590).

Almost surely, 2^{105623412364615} is an apocalyptic number.

105623412364615 is a deficient number, since it is larger than the sum of its proper divisors (21754390220825).

105623412364615 is a wasteful number, since it uses less digits than its factorization.

105623412364615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103197762.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 105623412364615 in words is "one hundred five trillion, six hundred twenty-three billion, four hundred twelve million, three hundred sixty-four thousand, six hundred fifteen".