121323313230103 has 4 divisors (see below), whose sum is σ = 121323358217200. Its totient is φ = 121323268243008.

The previous prime is 121323313230101. The next prime is 121323313230107. The reversal of 121323313230103 is 301032313323121.

It is a happy number.

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 121323313230103 - 2¹ = 121323313230101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323313230101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18171450 + ... + 23934247.

It is an arithmetic number, because the mean of its divisors is an integer number (30330839554300).

Almost surely, 2^{121323313230103} is an apocalyptic number.

121323313230103 is a deficient number, since it is larger than the sum of its proper divisors (44987097).

121323313230103 is an equidigital number, since it uses as much as digits as its factorization.

121323313230103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44987096.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 121323313230103 its reverse (301032313323121), we get a palindrome (422355626553224).

The spelling of 121323313230103 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, three hundred thirteen million, two hundred thirty thousand, one hundred three".