1121000000023 has 8 divisors (see below), whose sum is σ = 1121605129008. Its totient is φ = 1120395041664.

The previous prime is 1121000000009. The next prime is 1121000000027. The reversal of 1121000000023 is 3200000001211.

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 1121000000023 - 2¹³ = 1120999991831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120999999946 and 1121000000009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121000000027) 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, 14386015 + ... + 14463727.

It is an arithmetic number, because the mean of its divisors is an integer number (140200641126).

Almost surely, 2^{1121000000023} is an apocalyptic number.

1121000000023 is a deficient number, since it is larger than the sum of its proper divisors (605128985).

1121000000023 is an equidigital number, since it uses as much as digits as its factorization.

1121000000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85313.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1121000000023 its reverse (3200000001211), we get a palindrome (4321000001234).

The spelling of 1121000000023 in words is "one trillion, one hundred twenty-one billion, twenty-three", and thus it is an aban number.