424230979 has 2 divisors, whose sum is σ = 424230980. Its totient is φ = 424230978.

The previous prime is 424230949. The next prime is 424231009. The reversal of 424230979 is 979032424.

It is a balanced prime because it is at equal distance from previous prime (424230949) and next prime (424231009).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424230979 is a prime.

It is equal to p_22557649 and since 424230979 and 22557649 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (424230949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212115489 + 212115490.

It is an arithmetic number, because the mean of its divisors is an integer number (212115490).

Almost surely, 2^424230979 is an apocalyptic number.

424230979 is a deficient number, since it is larger than the sum of its proper divisors (1).

424230979 is an equidigital number, since it uses as much as digits as its factorization.

424230979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 424230979 is about 20596.8681842653. The cubic root of 424230979 is about 751.3935448105.

The spelling of 424230979 in words is "four hundred twenty-four million, two hundred thirty thousand, nine hundred seventy-nine".