40842323 has 2 divisors, whose sum is σ = 40842324. Its totient is φ = 40842322.

The previous prime is 40842317. The next prime is 40842341. The reversal of 40842323 is 32324804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40842323 - 2¹² = 40838227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40842292 and 40842301.

It is not a weakly prime, because it can be changed into another prime (40842623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20421161 + 20421162.

It is an arithmetic number, because the mean of its divisors is an integer number (20421162).

Almost surely, 2^40842323 is an apocalyptic number.

40842323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40842323 is an equidigital number, since it uses as much as digits as its factorization.

40842323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40842323 is about 6390.7998716906. The cubic root of 40842323 is about 344.3791199470.

The spelling of 40842323 in words is "forty million, eight hundred forty-two thousand, three hundred twenty-three".