1123351223686 has 8 divisors (see below), whose sum is σ = 1685032778880. Its totient is φ = 561673630728.

The previous prime is 1123351223663. The next prime is 1123351223689. The reversal of 1123351223686 is 6863221533211.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123351223689) 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, 133441 + ... + 1504828.

It is an arithmetic number, because the mean of its divisors is an integer number (210629097360).

Almost surely, 2^{1123351223686} is an apocalyptic number.

1123351223686 is a deficient number, since it is larger than the sum of its proper divisors (561681555194).

1123351223686 is a wasteful number, since it uses less digits than its factorization.

1123351223686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981118.

The product of its digits is 311040, while the sum is 43.

Adding to 1123351223686 its reverse (6863221533211), we get a palindrome (7986572756897).

The spelling of 1123351223686 in words is "one trillion, one hundred twenty-three billion, three hundred fifty-one million, two hundred twenty-three thousand, six hundred eighty-six".