1203240413243 has 32 divisors (see below), whose sum is σ = 1328404250880. Its totient is φ = 1080794176000.

The previous prime is 1203240413237. The next prime is 1203240413359. The reversal of 1203240413243 is 3423140423021.

It is not a de Polignac number, because 1203240413243 - 2⁴ = 1203240413227 is a prime.

It is a super-2 number, since 2×1203240413243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203240413203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310031663 + ... + 310035543.

It is an arithmetic number, because the mean of its divisors is an integer number (41512632840).

Almost surely, 2^{1203240413243} is an apocalyptic number.

1203240413243 is a deficient number, since it is larger than the sum of its proper divisors (125163837637).

1203240413243 is a wasteful number, since it uses less digits than its factorization.

1203240413243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1203240413243 its reverse (3423140423021), we get a palindrome (4626380836264).

The spelling of 1203240413243 in words is "one trillion, two hundred three billion, two hundred forty million, four hundred thirteen thousand, two hundred forty-three".