123110311351 has 2 divisors, whose sum is σ = 123110311352. Its totient is φ = 123110311350.

The previous prime is 123110311277. The next prime is 123110311399. The reversal of 123110311351 is 153113011321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123110311351 - 2¹¹ = 123110309303 is a prime.

It is a super-2 number, since 2×123110311351² (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 (123117311351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61555155675 + 61555155676.

It is an arithmetic number, because the mean of its divisors is an integer number (61555155676).

Almost surely, 2^123110311351 is an apocalyptic number.

123110311351 is a deficient number, since it is larger than the sum of its proper divisors (1).

123110311351 is an equidigital number, since it uses as much as digits as its factorization.

123110311351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

Adding to 123110311351 its reverse (153113011321), we get a palindrome (276223322672).

The spelling of 123110311351 in words is "one hundred twenty-three billion, one hundred ten million, three hundred eleven thousand, three hundred fifty-one".