40163023 has 2 divisors, whose sum is σ = 40163024. Its totient is φ = 40163022.

The previous prime is 40163003. The next prime is 40163059. The reversal of 40163023 is 32036104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40163023 - 2²¹ = 38065871 is a prime.

It is a super-2 number, since 2×40163023² = 3226136832997058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40163003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20081511 + 20081512.

It is an arithmetic number, because the mean of its divisors is an integer number (20081512).

Almost surely, 2^40163023 is an apocalyptic number.

40163023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40163023 is an equidigital number, since it uses as much as digits as its factorization.

40163023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 40163023 is about 6337.4303151987. The cubic root of 40163023 is about 342.4591685922.

Adding to 40163023 its reverse (32036104), we get a palindrome (72199127).

The spelling of 40163023 in words is "forty million, one hundred sixty-three thousand, twenty-three".