1203406234273 has 4 divisors (see below), whose sum is σ = 1206548287488. Its totient is φ = 1200264181060.

The previous prime is 1203406234259. The next prime is 1203406234321. The reversal of 1203406234273 is 3724326043021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203406234273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203406244273) 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, 1571026033 + ... + 1571026798.

It is an arithmetic number, because the mean of its divisors is an integer number (301637071872).

Almost surely, 2^{1203406234273} is an apocalyptic number.

It is an amenable number.

1203406234273 is a deficient number, since it is larger than the sum of its proper divisors (3142053215).

1203406234273 is an equidigital number, since it uses as much as digits as its factorization.

1203406234273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142053214.

The product of its (nonzero) digits is 145152, while the sum is 37.

The spelling of 1203406234273 in words is "one trillion, two hundred three billion, four hundred six million, two hundred thirty-four thousand, two hundred seventy-three".