40244242432123 has 2 divisors, whose sum is σ = 40244242432124. Its totient is φ = 40244242432122.

The previous prime is 40244242432109. The next prime is 40244242432127. The reversal of 40244242432123 is 32123424244204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40244242432123 is a prime.

It is not a weakly prime, because it can be changed into another prime (40244242432127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20122121216061 + 20122121216062.

It is an arithmetic number, because the mean of its divisors is an integer number (20122121216062).

Almost surely, 2^{40244242432123} is an apocalyptic number.

40244242432123 is a deficient number, since it is larger than the sum of its proper divisors (1).

40244242432123 is an equidigital number, since it uses as much as digits as its factorization.

40244242432123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 40244242432123 its reverse (32123424244204), we get a palindrome (72367666676327).

The spelling of 40244242432123 in words is "forty trillion, two hundred forty-four billion, two hundred forty-two million, four hundred thirty-two thousand, one hundred twenty-three".