40553842123 has 2 divisors, whose sum is σ = 40553842124. Its totient is φ = 40553842122.

The previous prime is 40553842039. The next prime is 40553842127. The reversal of 40553842123 is 32124835504.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40553842123 is a prime.

It is a super-2 number, since 2×40553842123² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40553842127) 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, 20276921061 + 20276921062.

It is an arithmetic number, because the mean of its divisors is an integer number (20276921062).

Almost surely, 2^40553842123 is an apocalyptic number.

40553842123 is a deficient number, since it is larger than the sum of its proper divisors (1).

40553842123 is an equidigital number, since it uses as much as digits as its factorization.

40553842123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 40553842123 in words is "forty billion, five hundred fifty-three million, eight hundred forty-two thousand, one hundred twenty-three".