1203540422430 has 16 divisors (see below), whose sum is σ = 2888497013904. Its totient is φ = 320944112640.

The previous prime is 1203540422423. The next prime is 1203540422431. The reversal of 1203540422430 is 342240453021.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 40118014081 = 1203540422430 / (1 + 2 + 0 + 3 + 5 + 4 + 0 + 4 + 2 + 2 + 4 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203540422431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20059007011 + ... + 20059007070.

It is an arithmetic number, because the mean of its divisors is an integer number (180531063369).

Almost surely, 2^{1203540422430} is an apocalyptic number.

1203540422430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1203540422430 is an abundant number, since it is smaller than the sum of its proper divisors (1684956591474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1203540422430 is a wasteful number, since it uses less digits than its factorization.

1203540422430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40118014091.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 1203540422430 its reverse (342240453021), we get a palindrome (1545780875451).

The spelling of 1203540422430 in words is "one trillion, two hundred three billion, five hundred forty million, four hundred twenty-two thousand, four hundred thirty".