1230123330213 has 64 divisors (see below), whose sum is σ = 1700107329024. Its totient is φ = 790842240000.

The previous prime is 1230123330203. The next prime is 1230123330253. The reversal of 1230123330213 is 3120333210321.

It is not a de Polignac number, because 1230123330213 - 2²⁶ = 1230056221349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230123330203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 994440231 + ... + 994441467.

It is an arithmetic number, because the mean of its divisors is an integer number (26564177016).

Almost surely, 2^{1230123330213} is an apocalyptic number.

It is an amenable number.

1230123330213 is a deficient number, since it is larger than the sum of its proper divisors (469983998811).

1230123330213 is a wasteful number, since it uses less digits than its factorization.

1230123330213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1230123330213 its reverse (3120333210321), we get a palindrome (4350456540534).

The spelling of 1230123330213 in words is "one trillion, two hundred thirty billion, one hundred twenty-three million, three hundred thirty thousand, two hundred thirteen".