423878701 has 2 divisors, whose sum is σ = 423878702. Its totient is φ = 423878700.

The previous prime is 423878699. The next prime is 423878713. The reversal of 423878701 is 107878324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414081801 + 9796900 = 20349^2 + 3130^2 .

It is a cyclic number.

It is not a de Polignac number, because 423878701 - 2¹ = 423878699 is a prime.

It is a super-2 number, since 2×423878701² = 359346306322894802, which contains 22 as substring.

Together with 423878699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423870701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211939350 + 211939351.

It is an arithmetic number, because the mean of its divisors is an integer number (211939351).

Almost surely, 2^423878701 is an apocalyptic number.

It is an amenable number.

423878701 is a deficient number, since it is larger than the sum of its proper divisors (1).

423878701 is an equidigital number, since it uses as much as digits as its factorization.

423878701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 423878701 is about 20588.3146711915. The cubic root of 423878701 is about 751.1855034917.

The spelling of 423878701 in words is "four hundred twenty-three million, eight hundred seventy-eight thousand, seven hundred one".