1230120312023 has 4 divisors (see below), whose sum is σ = 1294863486360. Its totient is φ = 1165377137688.

The previous prime is 1230120311983. The next prime is 1230120312037. The reversal of 1230120312023 is 3202130210321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230120312023 - 2⁸ = 1230120311767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230120311986 and 1230120312004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230120312073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32371587140 + ... + 32371587177.

It is an arithmetic number, because the mean of its divisors is an integer number (323715871590).

Almost surely, 2^{1230120312023} is an apocalyptic number.

1230120312023 is a deficient number, since it is larger than the sum of its proper divisors (64743174337).

1230120312023 is an equidigital number, since it uses as much as digits as its factorization.

1230120312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64743174336.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1230120312023 its reverse (3202130210321), we get a palindrome (4432250522344).

The spelling of 1230120312023 in words is "one trillion, two hundred thirty billion, one hundred twenty million, three hundred twelve thousand, twenty-three".