42480623 has 2 divisors, whose sum is σ = 42480624. Its totient is φ = 42480622.

The previous prime is 42480619. The next prime is 42480643. The reversal of 42480623 is 32608424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42480623 - 2² = 42480619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42480643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21240311 + 21240312.

It is an arithmetic number, because the mean of its divisors is an integer number (21240312).

Almost surely, 2^42480623 is an apocalyptic number.

42480623 is a deficient number, since it is larger than the sum of its proper divisors (1).

42480623 is an equidigital number, since it uses as much as digits as its factorization.

42480623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 42480623 is about 6517.7160877105. The cubic root of 42480623 is about 348.9235580508.

The spelling of 42480623 in words is "forty-two million, four hundred eighty thousand, six hundred twenty-three".