424968623 has 2 divisors, whose sum is σ = 424968624. Its totient is φ = 424968622.

The previous prime is 424968589. The next prime is 424968637. The reversal of 424968623 is 326869424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424968623 is a prime.

It is a super-2 number, since 2×424968623² = 361196661069032258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424968653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212484311 + 212484312.

It is an arithmetic number, because the mean of its divisors is an integer number (212484312).

Almost surely, 2^424968623 is an apocalyptic number.

424968623 is a deficient number, since it is larger than the sum of its proper divisors (1).

424968623 is an equidigital number, since it uses as much as digits as its factorization.

424968623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 44.

The square root of 424968623 is about 20614.7671100112. The cubic root of 424968623 is about 751.8287951274.

The spelling of 424968623 in words is "four hundred twenty-four million, nine hundred sixty-eight thousand, six hundred twenty-three".