1623273716 has 12 divisors (see below), whose sum is σ = 2843205120. Its totient is φ = 810929400.

The previous prime is 1623273649. The next prime is 1623273719. The reversal of 1623273716 is 6173723261.

It is a self number, because there is not a number n which added to its sum of digits gives 1623273716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623273719) 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, 171686 + ... + 180893.

It is an arithmetic number, because the mean of its divisors is an integer number (236933760).

Almost surely, 2^1623273716 is an apocalyptic number.

It is an amenable number.

1623273716 is a deficient number, since it is larger than the sum of its proper divisors (1219931404).

1623273716 is a wasteful number, since it uses less digits than its factorization.

1623273716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353734 (or 353732 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 1623273716 is about 40289.8711340704. The cubic root of 1623273716 is about 1175.2508813317.

Adding to 1623273716 its reverse (6173723261), we get a palindrome (7796996977).

The spelling of 1623273716 in words is "one billion, six hundred twenty-three million, two hundred seventy-three thousand, seven hundred sixteen".