423034021097 has 2 divisors, whose sum is σ = 423034021098. Its totient is φ = 423034021096.

The previous prime is 423034021093. The next prime is 423034021141. The reversal of 423034021097 is 790120430324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355384091881 + 67649929216 = 596141^2 + 260096^2 .

It is a cyclic number.

It is not a de Polignac number, because 423034021097 - 2² = 423034021093 is a prime.

It is not a weakly prime, because it can be changed into another prime (423034021093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211517010548 + 211517010549.

It is an arithmetic number, because the mean of its divisors is an integer number (211517010549).

Almost surely, 2^423034021097 is an apocalyptic number.

It is an amenable number.

423034021097 is a deficient number, since it is larger than the sum of its proper divisors (1).

423034021097 is an equidigital number, since it uses as much as digits as its factorization.

423034021097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 423034021097 in words is "four hundred twenty-three billion, thirty-four million, twenty-one thousand, ninety-seven".