123051140154031 has 2 divisors, whose sum is σ = 123051140154032. Its totient is φ = 123051140154030.

The previous prime is 123051140154029. The next prime is 123051140154073. The reversal of 123051140154031 is 130451041150321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123051140154031 - 2¹ = 123051140154029 is a prime.

It is a super-2 number, since 2×123051140154031² (a number of 29 digits) contains 22 as substring.

Together with 123051140154029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 123051140153984 and 123051140154002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123051141154031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61525570077015 + 61525570077016.

It is an arithmetic number, because the mean of its divisors is an integer number (61525570077016).

Almost surely, 2^{123051140154031} is an apocalyptic number.

123051140154031 is a deficient number, since it is larger than the sum of its proper divisors (1).

123051140154031 is an equidigital number, since it uses as much as digits as its factorization.

123051140154031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 123051140154031 in words is "one hundred twenty-three trillion, fifty-one billion, one hundred forty million, one hundred fifty-four thousand, thirty-one".