103521041123 has 4 divisors (see below), whose sum is σ = 105474268368. Its totient is φ = 101567813880.

The previous prime is 103521041101. The next prime is 103521041147. The reversal of 103521041123 is 321140125301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103521041123 - 2²⁸ = 103252605667 is a prime.

It is a super-2 number, since 2×103521041123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103521040123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976613543 + ... + 976613648.

It is an arithmetic number, because the mean of its divisors is an integer number (26368567092).

Almost surely, 2^103521041123 is an apocalyptic number.

103521041123 is a deficient number, since it is larger than the sum of its proper divisors (1953227245).

103521041123 is an equidigital number, since it uses as much as digits as its factorization.

103521041123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953227244.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 103521041123 its reverse (321140125301), we get a palindrome (424661166424).

The spelling of 103521041123 in words is "one hundred three billion, five hundred twenty-one million, forty-one thousand, one hundred twenty-three".