42342452623 has 4 divisors (see below), whose sum is σ = 44183428848. Its totient is φ = 40501476400.

The previous prime is 42342452597. The next prime is 42342452657. The reversal of 42342452623 is 32625424324.

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 42342452623 - 2¹⁷ = 42342321551 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 (42342458623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920488078 + ... + 920488123.

It is an arithmetic number, because the mean of its divisors is an integer number (11045857212).

Almost surely, 2^42342452623 is an apocalyptic number.

42342452623 is a deficient number, since it is larger than the sum of its proper divisors (1840976225).

42342452623 is a wasteful number, since it uses less digits than its factorization.

42342452623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840976224.

The product of its digits is 276480, while the sum is 37.

Adding to 42342452623 its reverse (32625424324), we get a palindrome (74967876947).

The spelling of 42342452623 in words is "forty-two billion, three hundred forty-two million, four hundred fifty-two thousand, six hundred twenty-three".