40123411 has 2 divisors, whose sum is σ = 40123412. Its totient is φ = 40123410.

The previous prime is 40123409. The next prime is 40123439. The reversal of 40123411 is 11432104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40123411 - 2¹ = 40123409 is a prime.

It is a super-2 number, since 2×40123411² = 3219776220549842, which contains 22 as substring.

Together with 40123409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40123441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20061705 + 20061706.

It is an arithmetic number, because the mean of its divisors is an integer number (20061706).

Almost surely, 2^40123411 is an apocalyptic number.

40123411 is a deficient number, since it is larger than the sum of its proper divisors (1).

40123411 is an equidigital number, since it uses as much as digits as its factorization.

40123411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 40123411 is about 6334.3043027629. The cubic root of 40123411 is about 342.3465446427.

Adding to 40123411 its reverse (11432104), we get a palindrome (51555515).

The spelling of 40123411 in words is "forty million, one hundred twenty-three thousand, four hundred eleven".