231203808 has 336 divisors, whose sum is σ = 803171376. Its totient is φ = 64696320.

The previous prime is 231203807. The next prime is 231203809. The reversal of 231203808 is 808302132.

It is an interprime number because it is at equal distance from previous prime (231203807) and next prime (231203809).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231203807) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4362310 + ... + 4362362.

It is an arithmetic number, because the mean of its divisors is an integer number (2390391).

Almost surely, 2^231203808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231203808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401585688).

231203808 is an abundant number, since it is smaller than the sum of its proper divisors (571967568).

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

231203808 is a wasteful number, since it uses less digits than its factorization.

231203808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 231203808 is about 15205.3874662897. The cubic root of 231203808 is about 613.7596416563.

The spelling of 231203808 in words is "two hundred thirty-one million, two hundred three thousand, eight hundred eight".