1203234230405 has 16 divisors (see below), whose sum is σ = 1487673143424. Its totient is φ = 933559980480.

The previous prime is 1203234230389. The next prime is 1203234230437. The reversal of 1203234230405 is 5040324323021.

It is a happy number.

It is not a de Polignac number, because 1203234230405 - 2⁴ = 1203234230389 is a prime.

It is a super-2 number, since 2×1203234230405² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10399007 + ... + 10514076.

It is an arithmetic number, because the mean of its divisors is an integer number (92979571464).

Almost surely, 2^{1203234230405} is an apocalyptic number.

It is an amenable number.

1203234230405 is a deficient number, since it is larger than the sum of its proper divisors (284438913019).

1203234230405 is a wasteful number, since it uses less digits than its factorization.

1203234230405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20913436.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 1203234230405 its reverse (5040324323021), we get a palindrome (6243558553426).

The spelling of 1203234230405 in words is "one trillion, two hundred three billion, two hundred thirty-four million, two hundred thirty thousand, four hundred five".