231453200000 has 384 divisors, whose sum is σ = 644566870080. Its totient is φ = 82048000000.

The previous prime is 231453199949. The next prime is 231453200003. The reversal of 231453200000 is 2354132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (231453200003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180399359 + ... + 180400641.

Almost surely, 2^231453200000 is an apocalyptic number.

231453200000 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 231453200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322283435040).

231453200000 is an abundant number, since it is smaller than the sum of its proper divisors (413113670080).

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

231453200000 is an equidigital number, since it uses as much as digits as its factorization.

231453200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 231453200000 its reverse (2354132), we get a palindrome (231455554132).

The spelling of 231453200000 in words is "two hundred thirty-one billion, four hundred fifty-three million, two hundred thousand".