42300023231 has 2 divisors, whose sum is σ = 42300023232. Its totient is φ = 42300023230.

The previous prime is 42300023221. The next prime is 42300023251. The reversal of 42300023231 is 13232000324.

It is an a-pointer prime, because the next prime (42300023251) can be obtained adding 42300023231 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42300023231 - 2³⁰ = 41226281407 is a prime.

It is a super-2 number, since 2×42300023231² (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 (42300023201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21150011615 + 21150011616.

It is an arithmetic number, because the mean of its divisors is an integer number (21150011616).

Almost surely, 2^42300023231 is an apocalyptic number.

42300023231 is a deficient number, since it is larger than the sum of its proper divisors (1).

42300023231 is an equidigital number, since it uses as much as digits as its factorization.

42300023231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 42300023231 its reverse (13232000324), we get a palindrome (55532023555).

The spelling of 42300023231 in words is "forty-two billion, three hundred million, twenty-three thousand, two hundred thirty-one".