105523000401 has 32 divisors (see below), whose sum is σ = 173207802880. Its totient is φ = 55647031104.

The previous prime is 105523000393. The next prime is 105523000403. The reversal of 105523000401 is 104000325501.

It is not a de Polignac number, because 105523000401 - 2³ = 105523000393 is a prime.

It is a super-2 number, since 2×105523000401² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (105523000403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1140006 + ... + 1229088.

It is an arithmetic number, because the mean of its divisors is an integer number (5412743840).

Almost surely, 2^105523000401 is an apocalyptic number.

It is an amenable number.

105523000401 is a deficient number, since it is larger than the sum of its proper divisors (67684802479).

105523000401 is a wasteful number, since it uses less digits than its factorization.

105523000401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93445.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 105523000401 its reverse (104000325501), we get a palindrome (209523325902).

The spelling of 105523000401 in words is "one hundred five billion, five hundred twenty-three million, four hundred one", and thus it is an aban number.