623353313625340 has 48 divisors (see below), whose sum is σ = 1314816215993280. Its totient is φ = 248241720957440.

The previous prime is 623353313625331. The next prime is 623353313625349. The reversal of 623353313625340 is 43526313353326.

623353313625340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (623353313625331) and next prime (623353313625349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623353313625349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31344225 + ... + 47214055.

It is an arithmetic number, because the mean of its divisors is an integer number (27392004499860).

Almost surely, 2^{623353313625340} is an apocalyptic number.

It is an amenable number.

623353313625340 is an abundant number, since it is smaller than the sum of its proper divisors (691462902367940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623353313625340 is a wasteful number, since it uses less digits than its factorization.

623353313625340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15878502 (or 15878500 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 49.

Adding to 623353313625340 its reverse (43526313353326), we get a palindrome (666879626978666).

The spelling of 623353313625340 in words is "six hundred twenty-three trillion, three hundred fifty-three billion, three hundred thirteen million, six hundred twenty-five thousand, three hundred forty".