123053507111 has 2 divisors, whose sum is σ = 123053507112. Its totient is φ = 123053507110.

The previous prime is 123053507089. The next prime is 123053507123. The reversal of 123053507111 is 111705350321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123053507111 - 2²⁶ = 122986398247 is a prime.

It is a super-2 number, since 2×123053507111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123053507141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61526753555 + 61526753556.

It is an arithmetic number, because the mean of its divisors is an integer number (61526753556).

Almost surely, 2^123053507111 is an apocalyptic number.

123053507111 is a deficient number, since it is larger than the sum of its proper divisors (1).

123053507111 is an equidigital number, since it uses as much as digits as its factorization.

123053507111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 29.

Adding to 123053507111 its reverse (111705350321), we get a palindrome (234758857432).

The spelling of 123053507111 in words is "one hundred twenty-three billion, fifty-three million, five hundred seven thousand, one hundred eleven".