40423223304423 has 12 divisors (see below), whose sum is σ = 58402765046080. Its totient is φ = 26942508743616.

The previous prime is 40423223304377. The next prime is 40423223304427. The reversal of 40423223304423 is 32440332232404.

40423223304423 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 3 + 223 + 3 + 0 + 4 + 423 = 666.

It is not a de Polignac number, because 40423223304423 - 2¹³ = 40423223296231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423223304427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525525463 + ... + 525602376.

Almost surely, 2^{40423223304423} is an apocalyptic number.

40423223304423 is a deficient number, since it is larger than the sum of its proper divisors (17979541741657).

40423223304423 is a wasteful number, since it uses less digits than its factorization.

40423223304423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051132118 (or 1051132115 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

Adding to 40423223304423 its reverse (32440332232404), we get a palindrome (72863555536827).

The spelling of 40423223304423 in words is "forty trillion, four hundred twenty-three billion, two hundred twenty-three million, three hundred four thousand, four hundred twenty-three".