40323000 has 64 divisors (see below), whose sum is σ = 125817120. Its totient is φ = 10752000.

The previous prime is 40322993. The next prime is 40323001. The reversal of 40323000 is 32304.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40323001) 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, 3721 + ... + 9720.

Almost surely, 2^40323000 is an apocalyptic number.

40323000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40323000 is an abundant number, since it is smaller than the sum of its proper divisors (85494120).

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

40323000 is a wasteful number, since it uses less digits than its factorization.

40323000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13465 (or 13451 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 40323000 is about 6350.0393699567. The cubic root of 40323000 is about 342.9132596638.

Adding to 40323000 its reverse (32304), we get a palindrome (40355304).

The spelling of 40323000 in words is "forty million, three hundred twenty-three thousand".