1230305623423 has 4 divisors (see below), whose sum is σ = 1231618650640. Its totient is φ = 1228992596208.

The previous prime is 1230305623373. The next prime is 1230305623439. The reversal of 1230305623423 is 3243265030321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230305623423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230305623453) 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, 656512203 + ... + 656514076.

It is an arithmetic number, because the mean of its divisors is an integer number (307904662660).

Almost surely, 2^{1230305623423} is an apocalyptic number.

1230305623423 is a deficient number, since it is larger than the sum of its proper divisors (1313027217).

1230305623423 is an equidigital number, since it uses as much as digits as its factorization.

1230305623423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313027216.

The product of its (nonzero) digits is 77760, while the sum is 34.

The spelling of 1230305623423 in words is "one trillion, two hundred thirty billion, three hundred five million, six hundred twenty-three thousand, four hundred twenty-three".