423943701 has 4 divisors (see below), whose sum is σ = 565258272. Its totient is φ = 282629132.

The previous prime is 423943699. The next prime is 423943787. The reversal of 423943701 is 107349324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423943701 - 2¹ = 423943699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423943801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70657281 + ... + 70657286.

It is an arithmetic number, because the mean of its divisors is an integer number (141314568).

Almost surely, 2^423943701 is an apocalyptic number.

It is an amenable number.

423943701 is a deficient number, since it is larger than the sum of its proper divisors (141314571).

423943701 is a wasteful number, since it uses less digits than its factorization.

423943701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141314570.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 423943701 is about 20589.8931760221. The cubic root of 423943701 is about 751.2238985656.

The spelling of 423943701 in words is "four hundred twenty-three million, nine hundred forty-three thousand, seven hundred one".