123103320121 has 8 divisors (see below), whose sum is σ = 124469491104. Its totient is φ = 121739130240.

The previous prime is 123103320103. The next prime is 123103320143. The reversal of 123103320121 is 121023301321.

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

It is a cyclic number.

It is not a de Polignac number, because 123103320121 - 2¹⁷ = 123103189049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123103320101) 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, 370135 + ... + 619036.

It is an arithmetic number, because the mean of its divisors is an integer number (15558686388).

Almost surely, 2^123103320121 is an apocalyptic number.

It is an amenable number.

123103320121 is a deficient number, since it is larger than the sum of its proper divisors (1366170983).

123103320121 is an equidigital number, since it uses as much as digits as its factorization.

123103320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990551.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123103320121 its reverse (121023301321), we get a palindrome (244126621442).

The spelling of 123103320121 in words is "one hundred twenty-three billion, one hundred three million, three hundred twenty thousand, one hundred twenty-one".