121223003012323 has 4 divisors (see below), whose sum is σ = 121230783209088. Its totient is φ = 121215222815560.

The previous prime is 121223003012299. The next prime is 121223003012347. The reversal of 121223003012323 is 323210300322121.

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

It is an interprime number because it is at equal distance from previous prime (121223003012299) and next prime (121223003012347).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121223003012323 is a prime.

It is a super-2 number, since 2×121223003012323² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121223003012383) 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, 3890075011 + ... + 3890106172.

It is an arithmetic number, because the mean of its divisors is an integer number (30307695802272).

Almost surely, 2^{121223003012323} is an apocalyptic number.

121223003012323 is a deficient number, since it is larger than the sum of its proper divisors (7780196765).

121223003012323 is an equidigital number, since it uses as much as digits as its factorization.

121223003012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780196764.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 121223003012323 its reverse (323210300322121), we get a palindrome (444433303334444).

The spelling of 121223003012323 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, three million, twelve thousand, three hundred twenty-three".