423714691 has 4 divisors (see below), whose sum is σ = 423756000. Its totient is φ = 423673384.

The previous prime is 423714677. The next prime is 423714769. The reversal of 423714691 is 196417324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 423714691 - 2¹¹ = 423712643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423714691.

It is not an unprimeable number, because it can be changed into a prime (423714661) 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, 7785 + ... + 30133.

It is an arithmetic number, because the mean of its divisors is an integer number (105939000).

Almost surely, 2^423714691 is an apocalyptic number.

423714691 is a deficient number, since it is larger than the sum of its proper divisors (41309).

423714691 is a wasteful number, since it uses less digits than its factorization.

423714691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41308.

The product of its digits is 36288, while the sum is 37.

The square root of 423714691 is about 20584.3312011831. The cubic root of 423714691 is about 751.0886064096.

The spelling of 423714691 in words is "four hundred twenty-three million, seven hundred fourteen thousand, six hundred ninety-one".