40868303123 has 2 divisors, whose sum is σ = 40868303124. Its totient is φ = 40868303122.

The previous prime is 40868303101. The next prime is 40868303143. The reversal of 40868303123 is 32130386804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40868303123 - 2¹² = 40868299027 is a prime.

It is not a weakly prime, because it can be changed into another prime (40868303143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20434151561 + 20434151562.

It is an arithmetic number, because the mean of its divisors is an integer number (20434151562).

Almost surely, 2^40868303123 is an apocalyptic number.

40868303123 is a deficient number, since it is larger than the sum of its proper divisors (1).

40868303123 is an equidigital number, since it uses as much as digits as its factorization.

40868303123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

Adding to 40868303123 its reverse (32130386804), we get a palindrome (72998689927).

The spelling of 40868303123 in words is "forty billion, eight hundred sixty-eight million, three hundred three thousand, one hundred twenty-three".