42463021423 has 2 divisors, whose sum is σ = 42463021424. Its totient is φ = 42463021422.

The previous prime is 42463021421. The next prime is 42463021453. The reversal of 42463021423 is 32412036424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42463021423 - 2¹ = 42463021421 is a prime.

Together with 42463021421, 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 (42463021421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21231510711 + 21231510712.

It is an arithmetic number, because the mean of its divisors is an integer number (21231510712).

Almost surely, 2^42463021423 is an apocalyptic number.

42463021423 is a deficient number, since it is larger than the sum of its proper divisors (1).

42463021423 is an equidigital number, since it uses as much as digits as its factorization.

42463021423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 42463021423 its reverse (32412036424), we get a palindrome (74875057847).

The spelling of 42463021423 in words is "forty-two billion, four hundred sixty-three million, twenty-one thousand, four hundred twenty-three".