40275623 has 2 divisors, whose sum is σ = 40275624. Its totient is φ = 40275622.

The previous prime is 40275607. The next prime is 40275629. The reversal of 40275623 is 32657204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40275623 - 2⁴ = 40275607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40275629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20137811 + 20137812.

It is an arithmetic number, because the mean of its divisors is an integer number (20137812).

Almost surely, 2^40275623 is an apocalyptic number.

40275623 is a deficient number, since it is larger than the sum of its proper divisors (1).

40275623 is an equidigital number, since it uses as much as digits as its factorization.

40275623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 40275623 is about 6346.3078242392. The cubic root of 40275623 is about 342.7789064955.

The spelling of 40275623 in words is "forty million, two hundred seventy-five thousand, six hundred twenty-three".