1205230415423 has 4 divisors (see below), whose sum is σ = 1205425663848. Its totient is φ = 1205035167000.

The previous prime is 1205230415419. The next prime is 1205230415429. The reversal of 1205230415423 is 3245140325021.

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 1205230415423 - 2² = 1205230415419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1205230415423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205230415429) 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, 97614953 + ... + 97627298.

It is an arithmetic number, because the mean of its divisors is an integer number (301356415962).

Almost surely, 2^{1205230415423} is an apocalyptic number.

1205230415423 is a deficient number, since it is larger than the sum of its proper divisors (195248425).

1205230415423 is an equidigital number, since it uses as much as digits as its factorization.

1205230415423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195248424.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 1205230415423 in words is "one trillion, two hundred five billion, two hundred thirty million, four hundred fifteen thousand, four hundred twenty-three".