40423703 has 2 divisors, whose sum is σ = 40423704. Its totient is φ = 40423702.

The previous prime is 40423687. The next prime is 40423717. The reversal of 40423703 is 30732404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40423703 - 2⁴ = 40423687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40423763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211851 + 20211852.

It is an arithmetic number, because the mean of its divisors is an integer number (20211852).

Almost surely, 2^40423703 is an apocalyptic number.

40423703 is a deficient number, since it is larger than the sum of its proper divisors (1).

40423703 is an equidigital number, since it uses as much as digits as its factorization.

40423703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 40423703 is about 6357.9637463578. The cubic root of 40423703 is about 343.1984871737.

The spelling of 40423703 in words is "forty million, four hundred twenty-three thousand, seven hundred three".