423634726 has 16 divisors (see below), whose sum is σ = 657851040. Its totient is φ = 204361920.

The previous prime is 423634711. The next prime is 423634741. The reversal of 423634726 is 627436324.

It is an interprime number because it is at equal distance from previous prime (423634711) and next prime (423634741).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150391 + ... + 153181.

It is an arithmetic number, because the mean of its divisors is an integer number (41115690).

Almost surely, 2^423634726 is an apocalyptic number.

423634726 is a deficient number, since it is larger than the sum of its proper divisors (234216314).

423634726 is a wasteful number, since it uses less digits than its factorization.

423634726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5439.

The product of its digits is 145152, while the sum is 37.

The square root of 423634726 is about 20582.3887340610. The cubic root of 423634726 is about 751.0413540324.

It can be divided in two parts, 42363 and 4726, that added together give a square (47089 = 217²).

The spelling of 423634726 in words is "four hundred twenty-three million, six hundred thirty-four thousand, seven hundred twenty-six".