40825123 has 2 divisors, whose sum is σ = 40825124. Its totient is φ = 40825122.

The previous prime is 40825117. The next prime is 40825133. The reversal of 40825123 is 32152804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40825123 - 2⁹ = 40824611 is a prime.

It is not a weakly prime, because it can be changed into another prime (40825133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20412561 + 20412562.

It is an arithmetic number, because the mean of its divisors is an integer number (20412562).

Almost surely, 2^40825123 is an apocalyptic number.

40825123 is a deficient number, since it is larger than the sum of its proper divisors (1).

40825123 is an equidigital number, since it uses as much as digits as its factorization.

40825123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 40825123 is about 6389.4540455347. The cubic root of 40825123 is about 344.3307701624.

Adding to 40825123 its reverse (32152804), we get a palindrome (72977927).

The spelling of 40825123 in words is "forty million, eight hundred twenty-five thousand, one hundred twenty-three".