420403441133143 has 16 divisors (see below), whose sum is σ = 456384116801536. Its totient is φ = 384944075883360.

The previous prime is 420403441133119. The next prime is 420403441133153. The reversal of 420403441133143 is 341331144304024.

It is a cyclic number.

It is not a de Polignac number, because 420403441133143 - 2⁴⁵ = 385219069044311 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 (420403441133153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11716623 + ... + 31274368.

It is an arithmetic number, because the mean of its divisors is an integer number (28524007300096).

Almost surely, 2^{420403441133143} is an apocalyptic number.

420403441133143 is a deficient number, since it is larger than the sum of its proper divisors (35980675668393).

420403441133143 is a wasteful number, since it uses less digits than its factorization.

420403441133143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42997054.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 420403441133143 its reverse (341331144304024), we get a palindrome (761734585437167).

The spelling of 420403441133143 in words is "four hundred twenty trillion, four hundred three billion, four hundred forty-one million, one hundred thirty-three thousand, one hundred forty-three".