40363123 has 2 divisors, whose sum is σ = 40363124. Its totient is φ = 40363122.

The previous prime is 40363109. The next prime is 40363171. The reversal of 40363123 is 32136304.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40363123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40363094 and 40363103.

It is not a weakly prime, because it can be changed into another prime (40363723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20181561 + 20181562.

It is an arithmetic number, because the mean of its divisors is an integer number (20181562).

Almost surely, 2^40363123 is an apocalyptic number.

40363123 is a deficient number, since it is larger than the sum of its proper divisors (1).

40363123 is an equidigital number, since it uses as much as digits as its factorization.

40363123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 40363123 is about 6353.1978561981. The cubic root of 40363123 is about 343.0269594361.

Adding to 40363123 its reverse (32136304), we get a palindrome (72499427).

The spelling of 40363123 in words is "forty million, three hundred sixty-three thousand, one hundred twenty-three".