231433243400 has 96 divisors (see below), whose sum is σ = 574777040040. Its totient is φ = 86356623360.

The previous prime is 231433243397. The next prime is 231433243411. The reversal of 231433243400 is 4342334132.

231433243400 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 7123022404 + 224310220996 = 84398^2 + 473614^2 .

It is a super-2 number, since 2×231433243400² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 83012 + ... + 685388.

Almost surely, 2^231433243400 is an apocalyptic number.

231433243400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231433243400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287388520020).

231433243400 is an abundant number, since it is smaller than the sum of its proper divisors (343343796640).

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

231433243400 is a wasteful number, since it uses less digits than its factorization.

231433243400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602523 (or 602514 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 231433243400 its reverse (4342334132), we get a palindrome (235775577532).

The spelling of 231433243400 in words is "two hundred thirty-one billion, four hundred thirty-three million, two hundred forty-three thousand, four hundred".