105547401123 has 8 divisors (see below), whose sum is σ = 140741215248. Its totient is φ = 70359260544.

The previous prime is 105547401109. The next prime is 105547401139. The reversal of 105547401123 is 321104745501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105547401123 - 2⁴ = 105547401107 is a prime.

It is a super-2 number, since 2×105547401123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105547403123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374786 + ... + 1449527.

It is an arithmetic number, because the mean of its divisors is an integer number (17592651906).

Almost surely, 2^105547401123 is an apocalyptic number.

105547401123 is a deficient number, since it is larger than the sum of its proper divisors (35193814125).

105547401123 is a wasteful number, since it uses less digits than its factorization.

105547401123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836773.

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 105547401123 in words is "one hundred five billion, five hundred forty-seven million, four hundred one thousand, one hundred twenty-three".