420233530545345 has 128 divisors (see below), whose sum is σ = 747893357568000. Its totient is φ = 199786965580800.

The previous prime is 420233530545319. The next prime is 420233530545349. The reversal of 420233530545345 is 543545035332024.

It is a happy number.

It is not a de Polignac number, because 420233530545345 - 2¹² = 420233530541249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420233530545294 and 420233530545303.

It is not an unprimeable number, because it can be changed into a prime (420233530545349) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14708379910 + ... + 14708408480.

It is an arithmetic number, because the mean of its divisors is an integer number (5842916856000).

Almost surely, 2^{420233530545345} is an apocalyptic number.

It is an amenable number.

420233530545345 is a deficient number, since it is larger than the sum of its proper divisors (327659827022655).

420233530545345 is a wasteful number, since it uses less digits than its factorization.

420233530545345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36391.

The product of its (nonzero) digits is 12960000, while the sum is 48.

Adding to 420233530545345 its reverse (543545035332024), we get a palindrome (963778565877369).

The spelling of 420233530545345 in words is "four hundred twenty trillion, two hundred thirty-three billion, five hundred thirty million, five hundred forty-five thousand, three hundred forty-five".