40923000 has 96 divisors (see below), whose sum is σ = 138350160. Its totient is φ = 10910400.

The previous prime is 40922993. The next prime is 40923023. The reversal of 40923000 is 32904.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6727 + ... + 11273.

Almost surely, 2^40923000 is an apocalyptic number.

40923000 is a gapful number since it is divisible by the number (40) 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 40923000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69175080).

40923000 is an abundant number, since it is smaller than the sum of its proper divisors (97427160).

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

40923000 is a wasteful number, since it uses less digits than its factorization.

40923000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574 (or 4557 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 40923000 is about 6397.1087219149. The cubic root of 40923000 is about 344.6057247566.

Adding to 40923000 its reverse (32904), we get a palindrome (40955904).

It can be divided in two parts, 409 and 23000, that added together give a square (23409 = 153²).

The spelling of 40923000 in words is "forty million, nine hundred twenty-three thousand".