1200023000043 has 48 divisors (see below), whose sum is σ = 1875420967680. Its totient is φ = 680521068864.

The previous prime is 1200023000023. The next prime is 1200023000053. The reversal of 1200023000043 is 3400003200021.

It is not a de Polignac number, because 1200023000043 - 2²⁰ = 1200021951467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200022999986 and 1200023000031.

It is not an unprimeable number, because it can be changed into a prime (1200023000023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18962428 + ... + 19025606.

It is an arithmetic number, because the mean of its divisors is an integer number (39071270160).

Almost surely, 2^{1200023000043} is an apocalyptic number.

1200023000043 is a deficient number, since it is larger than the sum of its proper divisors (675397967637).

1200023000043 is a wasteful number, since it uses less digits than its factorization.

1200023000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64176 (or 64169 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 1200023000043 its reverse (3400003200021), we get a palindrome (4600026200064).

The spelling of 1200023000043 in words is "one trillion, two hundred billion, twenty-three million, forty-three", and thus it is an aban number.