1203430230111 has 16 divisors (see below), whose sum is σ = 1638750795264. Its totient is φ = 785199019584.

The previous prime is 1203430229927. The next prime is 1203430230113. The reversal of 1203430230111 is 1110320343021.

It is not a de Polignac number, because 1203430230111 - 2¹⁸ = 1203429967967 is a prime.

It is a super-2 number, since 2×1203430230111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203430230113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9409851 + ... + 9536883.

It is an arithmetic number, because the mean of its divisors is an integer number (102421924704).

Almost surely, 2^{1203430230111} is an apocalyptic number.

1203430230111 is a deficient number, since it is larger than the sum of its proper divisors (435320565153).

1203430230111 is a wasteful number, since it uses less digits than its factorization.

1203430230111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194270.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1203430230111 its reverse (1110320343021), we get a palindrome (2313750573132).

The spelling of 1203430230111 in words is "one trillion, two hundred three billion, four hundred thirty million, two hundred thirty thousand, one hundred eleven".