1283116623 has 8 divisors (see below), whose sum is σ = 1716868608. Its totient is φ = 852387864.

The previous prime is 1283116621. The next prime is 1283116651. The reversal of 1283116623 is 3266113821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1283116623 - 2¹ = 1283116621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283116621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754815 + ... + 756512.

It is an arithmetic number, because the mean of its divisors is an integer number (214608576).

Almost surely, 2^1283116623 is an apocalyptic number.

1283116623 is a deficient number, since it is larger than the sum of its proper divisors (433751985).

1283116623 is a wasteful number, since it uses less digits than its factorization.

1283116623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511613.

The product of its digits is 10368, while the sum is 33.

The square root of 1283116623 is about 35820.6172894885. The cubic root of 1283116623 is about 1086.6475632512.

The spelling of 1283116623 in words is "one billion, two hundred eighty-three million, one hundred sixteen thousand, six hundred twenty-three".