40123213764332 has 12 divisors (see below), whose sum is σ = 70455267857856. Its totient is φ = 19993137233520.

The previous prime is 40123213764323. The next prime is 40123213764353. The reversal of 40123213764332 is 23346731232104.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40123213764332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17117410844 + ... + 17117413187.

It is an arithmetic number, because the mean of its divisors is an integer number (5871272321488).

Almost surely, 2^{40123213764332} is an apocalyptic number.

It is an amenable number.

40123213764332 is a deficient number, since it is larger than the sum of its proper divisors (30332054093524).

40123213764332 is a wasteful number, since it uses less digits than its factorization.

40123213764332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34234824328 (or 34234824326 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 41.

Adding to 40123213764332 its reverse (23346731232104), we get a palindrome (63469944996436).

The spelling of 40123213764332 in words is "forty trillion, one hundred twenty-three billion, two hundred thirteen million, seven hundred sixty-four thousand, three hundred thirty-two".