42624823 has 2 divisors, whose sum is σ = 42624824. Its totient is φ = 42624822.

The previous prime is 42624811. The next prime is 42624833. The reversal of 42624823 is 32842624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42624823 - 2⁹ = 42624311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42624833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21312411 + 21312412.

It is an arithmetic number, because the mean of its divisors is an integer number (21312412).

Almost surely, 2^42624823 is an apocalyptic number.

42624823 is a deficient number, since it is larger than the sum of its proper divisors (1).

42624823 is an equidigital number, since it uses as much as digits as its factorization.

42624823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

The square root of 42624823 is about 6528.7688732256. The cubic root of 42624823 is about 349.3179178762.

The spelling of 42624823 in words is "forty-two million, six hundred twenty-four thousand, eight hundred twenty-three".