40423204142312 has 8 divisors (see below), whose sum is σ = 75793507766850. Its totient is φ = 20211602071152.

The previous prime is 40423204142287. The next prime is 40423204142329. The reversal of 40423204142312 is 21324140232404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30117858624676 + 10305345517636 = 5487974^2 + 3210194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526450258887 + ... + 2526450258902.

Almost surely, 2^{40423204142312} is an apocalyptic number.

It is an amenable number.

40423204142312 is a deficient number, since it is larger than the sum of its proper divisors (35370303624538).

40423204142312 is a wasteful number, since it uses less digits than its factorization.

40423204142312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052900517795 (or 5052900517791 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 40423204142312 its reverse (21324140232404), we get a palindrome (61747344374716).

The spelling of 40423204142312 in words is "forty trillion, four hundred twenty-three billion, two hundred four million, one hundred forty-two thousand, three hundred twelve".