40769423 has 2 divisors, whose sum is σ = 40769424. Its totient is φ = 40769422.

The previous prime is 40769401. The next prime is 40769429. The reversal of 40769423 is 32496704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40769423 - 2⁶ = 40769359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40769429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20384711 + 20384712.

It is an arithmetic number, because the mean of its divisors is an integer number (20384712).

Almost surely, 2^40769423 is an apocalyptic number.

40769423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40769423 is an equidigital number, since it uses as much as digits as its factorization.

40769423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 40769423 is about 6385.0938129365. The cubic root of 40769423 is about 344.1741023108.

The spelling of 40769423 in words is "forty million, seven hundred sixty-nine thousand, four hundred twenty-three".