694023423 has 4 divisors (see below), whose sum is σ = 925364568. Its totient is φ = 462682280.

The previous prime is 694023409. The next prime is 694023427. The reversal of 694023423 is 324320496.

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 694023423 - 2⁵ = 694023391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694023427) 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, 115670568 + ... + 115670573.

It is an arithmetic number, because the mean of its divisors is an integer number (231341142).

Almost surely, 2^694023423 is an apocalyptic number.

694023423 is a deficient number, since it is larger than the sum of its proper divisors (231341145).

694023423 is a wasteful number, since it uses less digits than its factorization.

694023423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231341144.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 694023423 is about 26344.3243033485. The cubic root of 694023423 is about 885.3698106554.

The spelling of 694023423 in words is "six hundred ninety-four million, twenty-three thousand, four hundred twenty-three".