42352631623 has 2 divisors, whose sum is σ = 42352631624. Its totient is φ = 42352631622.

The previous prime is 42352631611. The next prime is 42352631707. The reversal of 42352631623 is 32613625324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42352631623 is a prime.

It is a super-2 number, since 2×42352631623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42352631423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21176315811 + 21176315812.

It is an arithmetic number, because the mean of its divisors is an integer number (21176315812).

Almost surely, 2^42352631623 is an apocalyptic number.

42352631623 is a deficient number, since it is larger than the sum of its proper divisors (1).

42352631623 is an equidigital number, since it uses as much as digits as its factorization.

42352631623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 37.

The spelling of 42352631623 in words is "forty-two billion, three hundred fifty-two million, six hundred thirty-one thousand, six hundred twenty-three".