121230230220223 has 4 divisors (see below), whose sum is σ = 121233406568560. Its totient is φ = 121227053871888.

The previous prime is 121230230220139. The next prime is 121230230220289. The reversal of 121230230220223 is 322022032032121.

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 121230230220223 - 2⁴¹ = 119031206964671 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 (121230230226223) 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, 1588116918 + ... + 1588193251.

It is an arithmetic number, because the mean of its divisors is an integer number (30308351642140).

Almost surely, 2^{121230230220223} is an apocalyptic number.

121230230220223 is a deficient number, since it is larger than the sum of its proper divisors (3176348337).

121230230220223 is an equidigital number, since it uses as much as digits as its factorization.

121230230220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176348336.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 121230230220223 its reverse (322022032032121), we get a palindrome (443252262252344).

The spelling of 121230230220223 in words is "one hundred twenty-one trillion, two hundred thirty billion, two hundred thirty million, two hundred twenty thousand, two hundred twenty-three".