10140131123 has 2 divisors, whose sum is σ = 10140131124. Its totient is φ = 10140131122.

The previous prime is 10140131119. The next prime is 10140131143. The reversal of 10140131123 is 32113104101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10140131123 - 2² = 10140131119 is a prime.

It is a super-2 number, since 2×10140131123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10140131143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5070065561 + 5070065562.

It is an arithmetic number, because the mean of its divisors is an integer number (5070065562).

Almost surely, 2^10140131123 is an apocalyptic number.

10140131123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10140131123 is an equidigital number, since it uses as much as digits as its factorization.

10140131123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10140131123 its reverse (32113104101), we get a palindrome (42253235224).

The spelling of 10140131123 in words is "ten billion, one hundred forty million, one hundred thirty-one thousand, one hundred twenty-three".