140431240123 has 2 divisors, whose sum is σ = 140431240124. Its totient is φ = 140431240122.

The previous prime is 140431240087. The next prime is 140431240127. The reversal of 140431240123 is 321042134041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140431240123 - 2¹³ = 140431231931 is a prime.

It is not a weakly prime, because it can be changed into another prime (140431240127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70215620061 + 70215620062.

It is an arithmetic number, because the mean of its divisors is an integer number (70215620062).

Almost surely, 2^140431240123 is an apocalyptic number.

140431240123 is a deficient number, since it is larger than the sum of its proper divisors (1).

140431240123 is an equidigital number, since it uses as much as digits as its factorization.

140431240123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 140431240123 its reverse (321042134041), we get a palindrome (461473374164).

The spelling of 140431240123 in words is "one hundred forty billion, four hundred thirty-one million, two hundred forty thousand, one hundred twenty-three".