40711123 has 2 divisors, whose sum is σ = 40711124. Its totient is φ = 40711122.

The previous prime is 40711061. The next prime is 40711133. The reversal of 40711123 is 32111704.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40711123 is a prime.

It is a super-2 number, since 2×40711123² = 3314791071842258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40711123.

It is not a weakly prime, because it can be changed into another prime (40711133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20355561 + 20355562.

It is an arithmetic number, because the mean of its divisors is an integer number (20355562).

Almost surely, 2^40711123 is an apocalyptic number.

40711123 is a deficient number, since it is larger than the sum of its proper divisors (1).

40711123 is an equidigital number, since it uses as much as digits as its factorization.

40711123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 40711123 is about 6380.5268591238. The cubic root of 40711123 is about 344.0099685006.

Adding to 40711123 its reverse (32111704), we get a palindrome (72822827).

The spelling of 40711123 in words is "forty million, seven hundred eleven thousand, one hundred twenty-three".