40123223464575 has 24 divisors (see below), whose sum is σ = 66337339308688. Its totient is φ = 21398963316480.

The previous prime is 40123223464561. The next prime is 40123223464613. The reversal of 40123223464575 is 57546432232104.

It is not a de Polignac number, because 40123223464575 - 2¹¹ = 40123223462527 is a prime.

It is a super-2 number, since 2×40123223464575² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19529217 + ... + 21485733.

Almost surely, 2^{40123223464575} is an apocalyptic number.

40123223464575 is a deficient number, since it is larger than the sum of its proper divisors (26214115844113).

40123223464575 is a wasteful number, since it uses less digits than its factorization.

40123223464575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229963 (or 2229958 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 48.

Adding to 40123223464575 its reverse (57546432232104), we get a palindrome (97669655696679).

The spelling of 40123223464575 in words is "forty trillion, one hundred twenty-three billion, two hundred twenty-three million, four hundred sixty-four thousand, five hundred seventy-five".