42219042623 has 4 divisors (see below), whose sum is σ = 42637053048. Its totient is φ = 41801032200.

The previous prime is 42219042583. The next prime is 42219042637. The reversal of 42219042623 is 32624091224.

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

It is a cyclic number.

It is not a de Polignac number, because 42219042623 - 2⁶ = 42219042559 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 (42219045623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209005061 + ... + 209005262.

It is an arithmetic number, because the mean of its divisors is an integer number (10659263262).

Almost surely, 2^42219042623 is an apocalyptic number.

42219042623 is a deficient number, since it is larger than the sum of its proper divisors (418010425).

42219042623 is a wasteful number, since it uses less digits than its factorization.

42219042623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418010424.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 42219042623 in words is "forty-two billion, two hundred nineteen million, forty-two thousand, six hundred twenty-three".