423641739 has 8 divisors (see below), whose sum is σ = 565056000. Its totient is φ = 282327656.

The previous prime is 423641731. The next prime is 423641741. The reversal of 423641739 is 937146324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423641739 - 2³ = 423641731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423641697 and 423641706.

It is not an unprimeable number, because it can be changed into a prime (423641731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14547 + ... + 32540.

It is an arithmetic number, because the mean of its divisors is an integer number (70632000).

Almost surely, 2^423641739 is an apocalyptic number.

423641739 is a deficient number, since it is larger than the sum of its proper divisors (141414261).

423641739 is a wasteful number, since it uses less digits than its factorization.

423641739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50089.

The product of its digits is 108864, while the sum is 39.

The square root of 423641739 is about 20582.5590974495. The cubic root of 423641739 is about 751.0454983448.

The spelling of 423641739 in words is "four hundred twenty-three million, six hundred forty-one thousand, seven hundred thirty-nine".