40123354332 has 24 divisors (see below), whose sum is σ = 93625764736. Its totient is φ = 13373793648.

The previous prime is 40123354331. The next prime is 40123354333. The reversal of 40123354332 is 23345332104.

It is an interprime number because it is at equal distance from previous prime (40123354331) and next prime (40123354333).

It is a self number, because there is not a number n which added to its sum of digits gives 40123354332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40123354331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214863 + ... + 355545.

Almost surely, 2^40123354332 is an apocalyptic number.

It is an amenable number.

40123354332 is an abundant number, since it is smaller than the sum of its proper divisors (53502410404).

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

40123354332 is a wasteful number, since it uses less digits than its factorization.

40123354332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164457 (or 164455 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 40123354332 its reverse (23345332104), we get a palindrome (63468686436).

The spelling of 40123354332 in words is "forty billion, one hundred twenty-three million, three hundred fifty-four thousand, three hundred thirty-two".