1203432231 has 8 divisors (see below), whose sum is σ = 1605268224. Its totient is φ = 801942200.

The previous prime is 1203432157. The next prime is 1203432233. The reversal of 1203432231 is 1322343021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1203432231 - 2¹¹ = 1203430183 is a prime.

It is a super-2 number, since 2×1203432231² = 2896498269219274722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1203432198 and 1203432207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203432233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78261 + ... + 92366.

It is an arithmetic number, because the mean of its divisors is an integer number (200658528).

Almost surely, 2^1203432231 is an apocalyptic number.

1203432231 is a deficient number, since it is larger than the sum of its proper divisors (401835993).

1203432231 is a wasteful number, since it uses less digits than its factorization.

1203432231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172981.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1203432231 is about 34690.5207657654. The cubic root of 1203432231 is about 1063.6707408164.

Adding to 1203432231 its reverse (1322343021), we get a palindrome (2525775252).

The spelling of 1203432231 in words is "one billion, two hundred three million, four hundred thirty-two thousand, two hundred thirty-one".