42430501350623 has 2 divisors, whose sum is σ = 42430501350624. Its totient is φ = 42430501350622.

The previous prime is 42430501350613. The next prime is 42430501350661. The reversal of 42430501350623 is 32605310503424.

It is an a-pointer prime, because the next prime (42430501350661) can be obtained adding 42430501350623 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42430501350623 - 2¹⁶ = 42430501285087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42430501350613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21215250675311 + 21215250675312.

It is an arithmetic number, because the mean of its divisors is an integer number (21215250675312).

Almost surely, 2^{42430501350623} is an apocalyptic number.

42430501350623 is a deficient number, since it is larger than the sum of its proper divisors (1).

42430501350623 is an equidigital number, since it uses as much as digits as its factorization.

42430501350623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 42430501350623 in words is "forty-two trillion, four hundred thirty billion, five hundred one million, three hundred fifty thousand, six hundred twenty-three".