1121000400323 has 8 divisors (see below), whose sum is σ = 1206399660480. Its totient is φ = 1037763146880.

The previous prime is 1121000400287. The next prime is 1121000400341. The reversal of 1121000400323 is 3230040001211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121000400323 - 2¹² = 1121000396227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121000400623) 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, 540500603 + ... + 540502676.

It is an arithmetic number, because the mean of its divisors is an integer number (150799957560).

Almost surely, 2^{1121000400323} is an apocalyptic number.

1121000400323 is a deficient number, since it is larger than the sum of its proper divisors (85399260157).

1121000400323 is a wasteful number, since it uses less digits than its factorization.

1121000400323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081003357.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1121000400323 its reverse (3230040001211), we get a palindrome (4351040401534).

The spelling of 1121000400323 in words is "one trillion, one hundred twenty-one billion, four hundred thousand, three hundred twenty-three".