1212043023 has 12 divisors (see below), whose sum is σ = 1811099160. Its totient is φ = 780165456.

The previous prime is 1212043013. The next prime is 1212043031. The reversal of 1212043023 is 3203402121.

1212043023 is a `hidden beast` number, since 1 + 212 + 0 + 430 + 23 = 666.

It is not a de Polignac number, because 1212043023 - 2⁹ = 1212042511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212042987 and 1212043005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212043013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2321661 + ... + 2322182.

It is an arithmetic number, because the mean of its divisors is an integer number (150924930).

Almost surely, 2^1212043023 is an apocalyptic number.

1212043023 is a deficient number, since it is larger than the sum of its proper divisors (599056137).

1212043023 is a wasteful number, since it uses less digits than its factorization.

1212043023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643878 (or 4643875 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1212043023 is about 34814.4082672677. The cubic root of 1212043023 is about 1066.2016377990.

Adding to 1212043023 its reverse (3203402121), we get a palindrome (4415445144).

The spelling of 1212043023 in words is "one billion, two hundred twelve million, forty-three thousand, twenty-three".