40345322623503 has 32 divisors (see below), whose sum is σ = 57671710801920. Its totient is φ = 25043639722080.

The previous prime is 40345322623481. The next prime is 40345322623577. The reversal of 40345322623503 is 30532622354304.

It is not a de Polignac number, because 40345322623503 - 2⁸ = 40345322623247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40345322623583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77964375 + ... + 78480152.

It is an arithmetic number, because the mean of its divisors is an integer number (1802240962560).

Almost surely, 2^{40345322623503} is an apocalyptic number.

40345322623503 is a deficient number, since it is larger than the sum of its proper divisors (17326388178417).

40345322623503 is a wasteful number, since it uses less digits than its factorization.

40345322623503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156444667.

The product of its (nonzero) digits is 1555200, while the sum is 42.

Adding to 40345322623503 its reverse (30532622354304), we get a palindrome (70877944977807).

The spelling of 40345322623503 in words is "forty trillion, three hundred forty-five billion, three hundred twenty-two million, six hundred twenty-three thousand, five hundred three".