103121113323123 has 40 divisors (see below), whose sum is σ = 176056557918560. Its totient is φ = 58924679489280.

The previous prime is 103121113323121. The next prime is 103121113323169. The reversal of 103121113323123 is 321323311121301.

103121113323123 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 2 + 1 + 11 + 332 + 312 + 3 = 666.

It is not a de Polignac number, because 103121113323123 - 2¹ = 103121113323121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103121113323121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17572683 + ... + 22694523.

It is an arithmetic number, because the mean of its divisors is an integer number (4401413947964).

Almost surely, 2^{103121113323123} is an apocalyptic number.

103121113323123 is a deficient number, since it is larger than the sum of its proper divisors (72935444595437).

103121113323123 is an equidigital number, since it uses as much as digits as its factorization.

103121113323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157369 (or 5157360 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 103121113323123 its reverse (321323311121301), we get a palindrome (424444424444424).

The spelling of 103121113323123 in words is "one hundred three trillion, one hundred twenty-one billion, one hundred thirteen million, three hundred twenty-three thousand, one hundred twenty-three".