699423 has 4 divisors (see below), whose sum is σ = 932568. Its totient is φ = 466280.

The previous prime is 699401. The next prime is 699427. The reversal of 699423 is 324996.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 699423 - 2¹² = 695327 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 116568 + ... + 116573.

It is an arithmetic number, because the mean of its divisors is an integer number (233142).

2⁶⁹⁹⁴²³ is an apocalyptic number.

699423 is a deficient number, since it is larger than the sum of its proper divisors (233145).

699423 is a wasteful number, since it uses less digits than its factorization.

699423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233144.

The product of its digits is 11664, while the sum is 33.

The square root of 699423 is about 836.3151319927. The cubic root of 699423 is about 88.7659972486.

The spelling of 699423 in words is "six hundred ninety-nine thousand, four hundred twenty-three".