123321301099 has 4 divisors (see below), whose sum is σ = 123376382080. Its totient is φ = 123266220120.

The previous prime is 123321301093. The next prime is 123321301121. The reversal of 123321301099 is 990103123321.

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 123321301099 - 2³ = 123321301091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123321301091) 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, 27537132 + ... + 27541609.

It is an arithmetic number, because the mean of its divisors is an integer number (30844095520).

Almost surely, 2^123321301099 is an apocalyptic number.

123321301099 is a deficient number, since it is larger than the sum of its proper divisors (55080981).

123321301099 is an equidigital number, since it uses as much as digits as its factorization.

123321301099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55080980.

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 123321301099 in words is "one hundred twenty-three billion, three hundred twenty-one million, three hundred one thousand, ninety-nine".