1231404230 has 32 divisors (see below), whose sum is σ = 2587078656. Its totient is φ = 413211744.

The previous prime is 1231404203. The next prime is 1231404253. The reversal of 1231404230 is 324041321.

It is a Curzon 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, 183854 + ... + 190433.

It is an arithmetic number, because the mean of its divisors is an integer number (80846208).

Almost surely, 2^1231404230 is an apocalyptic number.

1231404230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231404230 is an abundant number, since it is smaller than the sum of its proper divisors (1355674426).

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

1231404230 is a wasteful number, since it uses less digits than its factorization.

1231404230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374348.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1231404230 is about 35091.3697367316. The cubic root of 1231404230 is about 1071.8488517451.

Adding to 1231404230 its reverse (324041321), we get a palindrome (1555445551).

The spelling of 1231404230 in words is "one billion, two hundred thirty-one million, four hundred four thousand, two hundred thirty".