105445555023 has 16 divisors (see below), whose sum is σ = 143887743360. Its totient is φ = 68665380576.

The previous prime is 105445555001. The next prime is 105445555043. The reversal of 105445555023 is 320555544501.

It is not a de Polignac number, because 105445555023 - 2²¹ = 105443457871 is a prime.

It is a super-2 number, since 2×105445555023² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105445555043) 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, 1869465 + ... + 1925042.

It is an arithmetic number, because the mean of its divisors is an integer number (8992983960).

Almost surely, 2^105445555023 is an apocalyptic number.

105445555023 is a deficient number, since it is larger than the sum of its proper divisors (38442188337).

105445555023 is a wasteful number, since it uses less digits than its factorization.

105445555023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794726.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 105445555023 in words is "one hundred five billion, four hundred forty-five million, five hundred fifty-five thousand, twenty-three".