235231000 has 32 divisors (see below), whose sum is σ = 550442880. Its totient is φ = 94092000.

The previous prime is 235230997. The next prime is 235231019. The reversal of 235231000 is 132532.

It is a super-2 number, since 2×235231000² = 110667246722000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116616 + ... + 118615.

It is an arithmetic number, because the mean of its divisors is an integer number (17201340).

Almost surely, 2^235231000 is an apocalyptic number.

235231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235231000 is an abundant number, since it is smaller than the sum of its proper divisors (315211880).

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

235231000 is a wasteful number, since it uses less digits than its factorization.

235231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235252 (or 235238 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 235231000 is about 15337.2422553730. The cubic root of 235231000 is about 617.3027119746.

Adding to 235231000 its reverse (132532), we get a palindrome (235363532).

The spelling of 235231000 in words is "two hundred thirty-five million, two hundred thirty-one thousand".