623041630 has 16 divisors (see below), whose sum is σ = 1125471024. Its totient is φ = 248328640.

The previous prime is 623041621. The next prime is 623041649. The reversal of 623041630 is 36140326.

623041630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 623041595 and 623041604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108052 + ... + 113671.

It is an arithmetic number, because the mean of its divisors is an integer number (70341939).

Almost surely, 2^623041630 is an apocalyptic number.

623041630 is a deficient number, since it is larger than the sum of its proper divisors (502429394).

623041630 is a wasteful number, since it uses less digits than its factorization.

623041630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222011.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 623041630 is about 24960.8018701323. The cubic root of 623041630 is about 854.0940348420.

Adding to 623041630 its reverse (36140326), we get a palindrome (659181956).

The spelling of 623041630 in words is "six hundred twenty-three million, forty-one thousand, six hundred thirty".