121231302222323 has 4 divisors (see below), whose sum is σ = 121231565600448. Its totient is φ = 121231038844200.

The previous prime is 121231302222319. The next prime is 121231302222361. The reversal of 121231302222323 is 323222203132121.

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 121231302222323 - 2² = 121231302222319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121231302222313) 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, 130997411 + ... + 131919612.

It is an arithmetic number, because the mean of its divisors is an integer number (30307891400112).

Almost surely, 2^{121231302222323} is an apocalyptic number.

121231302222323 is a deficient number, since it is larger than the sum of its proper divisors (263378125).

121231302222323 is an equidigital number, since it uses as much as digits as its factorization.

121231302222323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263378124.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 121231302222323 its reverse (323222203132121), we get a palindrome (444453505354444).

The spelling of 121231302222323 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, three hundred two million, two hundred twenty-two thousand, three hundred twenty-three".