423034311121 has 2 divisors, whose sum is σ = 423034311122. Its totient is φ = 423034311120.

The previous prime is 423034311113. The next prime is 423034311163. The reversal of 423034311121 is 121113430324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322504731025 + 100529580096 = 567895^2 + 317064^2 .

It is a cyclic number.

It is not a de Polignac number, because 423034311121 - 2³ = 423034311113 is a prime.

It is not a weakly prime, because it can be changed into another prime (423034311101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211517155560 + 211517155561.

It is an arithmetic number, because the mean of its divisors is an integer number (211517155561).

Almost surely, 2^423034311121 is an apocalyptic number.

It is an amenable number.

423034311121 is a deficient number, since it is larger than the sum of its proper divisors (1).

423034311121 is an equidigital number, since it uses as much as digits as its factorization.

423034311121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 423034311121 its reverse (121113430324), we get a palindrome (544147741445).

The spelling of 423034311121 in words is "four hundred twenty-three billion, thirty-four million, three hundred eleven thousand, one hundred twenty-one".