423342415501 has 2 divisors, whose sum is σ = 423342415502. Its totient is φ = 423342415500.

The previous prime is 423342415499. The next prime is 423342415537. The reversal of 423342415501 is 105514243324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344844945225 + 78497470276 = 587235^2 + 280174^2 .

It is a cyclic number.

It is not a de Polignac number, because 423342415501 - 2¹ = 423342415499 is a prime.

Together with 423342415499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423342418501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211671207750 + 211671207751.

It is an arithmetic number, because the mean of its divisors is an integer number (211671207751).

Almost surely, 2^423342415501 is an apocalyptic number.

It is an amenable number.

423342415501 is a deficient number, since it is larger than the sum of its proper divisors (1).

423342415501 is an equidigital number, since it uses as much as digits as its factorization.

423342415501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 423342415501 its reverse (105514243324), we get a palindrome (528856658825).

The spelling of 423342415501 in words is "four hundred twenty-three billion, three hundred forty-two million, four hundred fifteen thousand, five hundred one".