420234236053 has 2 divisors, whose sum is σ = 420234236054. Its totient is φ = 420234236052.

The previous prime is 420234235969. The next prime is 420234236063. The reversal of 420234236053 is 350632432024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378025766244 + 42208469809 = 614838^2 + 205447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420234236053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420234236063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210117118026 + 210117118027.

It is an arithmetic number, because the mean of its divisors is an integer number (210117118027).

Almost surely, 2^420234236053 is an apocalyptic number.

It is an amenable number.

420234236053 is a deficient number, since it is larger than the sum of its proper divisors (1).

420234236053 is an equidigital number, since it uses as much as digits as its factorization.

420234236053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 420234236053 its reverse (350632432024), we get a palindrome (770866668077).

The spelling of 420234236053 in words is "four hundred twenty billion, two hundred thirty-four million, two hundred thirty-six thousand, fifty-three".