420343402524341 has 4 divisors (see below), whose sum is σ = 424199764015500. Its totient is φ = 416487041033184.

The previous prime is 420343402524337. The next prime is 420343402524371. The reversal of 420343402524341 is 143425204343024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150374547052900 + 269968855471441 = 12262730^2 + 16430729^2 .

It is a cyclic number.

It is not a de Polignac number, because 420343402524341 - 2² = 420343402524337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420343402524371) 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, 1928180745416 + ... + 1928180745633.

It is an arithmetic number, because the mean of its divisors is an integer number (106049941003875).

Almost surely, 2^{420343402524341} is an apocalyptic number.

It is an amenable number.

420343402524341 is a deficient number, since it is larger than the sum of its proper divisors (3856361491159).

420343402524341 is a wasteful number, since it uses less digits than its factorization.

420343402524341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856361491158.

The product of its (nonzero) digits is 1105920, while the sum is 41.

Adding to 420343402524341 its reverse (143425204343024), we get a palindrome (563768606867365).

The spelling of 420343402524341 in words is "four hundred twenty trillion, three hundred forty-three billion, four hundred two million, five hundred twenty-four thousand, three hundred forty-one".