623040326 has 4 divisors (see below), whose sum is σ = 934560492. Its totient is φ = 311520162.

The previous prime is 623040269. The next prime is 623040337.

623040326 is nontrivially palindromic in base 10.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 623040295 and 623040304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155760080 + ... + 155760083.

It is an arithmetic number, because the mean of its divisors is an integer number (233640123).

Almost surely, 2^623040326 is an apocalyptic number.

623040326 is a deficient number, since it is larger than the sum of its proper divisors (311520166).

623040326 is a wasteful number, since it uses less digits than its factorization.

623040326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311520165.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 623040326 is about 24960.7757491629. The cubic root of 623040326 is about 854.0934389806.

The spelling of 623040326 in words is "six hundred twenty-three million, forty thousand, three hundred twenty-six".