923231000 has 64 divisors (see below), whose sum is σ = 2190127680. Its totient is φ = 364204800.

The previous prime is 923230999. The next prime is 923231003. The reversal of 923231000 is 132329.

It is a super-2 number, since 2×923231000² = 1704710958722000000, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923231003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66677 + ... + 79323.

It is an arithmetic number, because the mean of its divisors is an integer number (34220745).

Almost surely, 2^923231000 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 923231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095063840).

923231000 is an abundant number, since it is smaller than the sum of its proper divisors (1266896680).

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

923231000 is a wasteful number, since it uses less digits than its factorization.

923231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12741 (or 12727 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 923231000 is about 30384.7165528988. The cubic root of 923231000 is about 973.7260591755.

Adding to 923231000 its reverse (132329), we get a palindrome (923363329).

The spelling of 923231000 in words is "nine hundred twenty-three million, two hundred thirty-one thousand".