42031143220223 has 2 divisors, whose sum is σ = 42031143220224. Its totient is φ = 42031143220222.

The previous prime is 42031143220211. The next prime is 42031143220277. The reversal of 42031143220223 is 32202234113024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42031143220223 - 2²⁰ = 42031142171647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42031143220523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015571610111 + 21015571610112.

It is an arithmetic number, because the mean of its divisors is an integer number (21015571610112).

Almost surely, 2^{42031143220223} is an apocalyptic number.

42031143220223 is a deficient number, since it is larger than the sum of its proper divisors (1).

42031143220223 is an equidigital number, since it uses as much as digits as its factorization.

42031143220223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42031143220223 its reverse (32202234113024), we get a palindrome (74233377333247).

The spelling of 42031143220223 in words is "forty-two trillion, thirty-one billion, one hundred forty-three million, two hundred twenty thousand, two hundred twenty-three".