40769023 has 2 divisors, whose sum is σ = 40769024. Its totient is φ = 40769022.

The previous prime is 40769017. The next prime is 40769063. The reversal of 40769023 is 32096704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40769023 - 2⁵ = 40768991 is a prime.

It is a super-2 number, since 2×40769023² = 3324226472749058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40769063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20384511 + 20384512.

It is an arithmetic number, because the mean of its divisors is an integer number (20384512).

Almost surely, 2^40769023 is an apocalyptic number.

40769023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40769023 is an equidigital number, since it uses as much as digits as its factorization.

40769023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 40769023 is about 6385.0624899056. The cubic root of 40769023 is about 344.1729767115.

The spelling of 40769023 in words is "forty million, seven hundred sixty-nine thousand, twenty-three".