623420602 has 32 divisors (see below), whose sum is σ = 1107025920. Its totient is φ = 257664240.

The previous prime is 623420593. The next prime is 623420639. The reversal of 623420602 is 206024326.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130899 + ... + 135577.

It is an arithmetic number, because the mean of its divisors is an integer number (34594560).

Almost surely, 2^623420602 is an apocalyptic number.

623420602 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

623420602 is a deficient number, since it is larger than the sum of its proper divisors (483605318).

623420602 is a wasteful number, since it uses less digits than its factorization.

623420602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 623420602 is about 24968.3920587610. The cubic root of 623420602 is about 854.2671704744.

Adding to 623420602 its reverse (206024326), we get a palindrome (829444928).

The spelling of 623420602 in words is "six hundred twenty-three million, four hundred twenty thousand, six hundred two".