1200233001123 has 24 divisors (see below), whose sum is σ = 1875253952208. Its totient is φ = 735351141312.

The previous prime is 1200233001089. The next prime is 1200233001127. The reversal of 1200233001123 is 3211003320021.

It is not a de Polignac number, because 1200233001123 - 2²⁴ = 1200216223907 is a prime.

It is a super-2 number, since 2×1200233001123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200233001096 and 1200233001105.

It is not an unprimeable number, because it can be changed into a prime (1200233001127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22569040 + ... + 22622157.

It is an arithmetic number, because the mean of its divisors is an integer number (78135581342).

Almost surely, 2^{1200233001123} is an apocalyptic number.

1200233001123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1200233001123 is a deficient number, since it is larger than the sum of its proper divisors (675020951085).

1200233001123 is a wasteful number, since it uses less digits than its factorization.

1200233001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45191443 (or 45191440 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1200233001123 its reverse (3211003320021), we get a palindrome (4411236321144).

The spelling of 1200233001123 in words is "one trillion, two hundred billion, two hundred thirty-three million, one thousand, one hundred twenty-three".