42300623 has 2 divisors, whose sum is σ = 42300624. Its totient is φ = 42300622.

The previous prime is 42300617. The next prime is 42300637. The reversal of 42300623 is 32600324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42300623 - 2¹⁴ = 42284239 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 42300595 and 42300604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42300613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21150311 + 21150312.

It is an arithmetic number, because the mean of its divisors is an integer number (21150312).

Almost surely, 2^42300623 is an apocalyptic number.

42300623 is a deficient number, since it is larger than the sum of its proper divisors (1).

42300623 is an equidigital number, since it uses as much as digits as its factorization.

42300623 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.

The square root of 42300623 is about 6503.8929111725. The cubic root of 42300623 is about 348.4300376840.

Adding to 42300623 its reverse (32600324), we get a palindrome (74900947).

The spelling of 42300623 in words is "forty-two million, three hundred thousand, six hundred twenty-three".