40321123000 has 64 divisors (see below), whose sum is σ = 94381185600. Its totient is φ = 16123363200.

The previous prime is 40321122991. The next prime is 40321123013. The reversal of 40321123000 is 32112304.

It is a happy number.

It is a super-2 number, since 2×40321123000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6033661 + ... + 6040339.

It is an arithmetic number, because the mean of its divisors is an integer number (1474706025).

Almost surely, 2^40321123000 is an apocalyptic number.

40321123000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40321123000 is an abundant number, since it is smaller than the sum of its proper divisors (54060062600).

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

40321123000 is a wasteful number, since it uses less digits than its factorization.

40321123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12737 (or 12723 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40321123000 its reverse (32112304), we get a palindrome (40353235304).

The spelling of 40321123000 in words is "forty billion, three hundred twenty-one million, one hundred twenty-three thousand".