123011321303011 has 2 divisors, whose sum is σ = 123011321303012. Its totient is φ = 123011321303010.

The previous prime is 123011321302979. The next prime is 123011321303021. The reversal of 123011321303011 is 110303123110321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123011321303011 - 2⁵ = 123011321302979 is a prime.

It is a super-2 number, since 2×123011321303011² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123011321303021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505660651505 + 61505660651506.

It is an arithmetic number, because the mean of its divisors is an integer number (61505660651506).

Almost surely, 2^{123011321303011} is an apocalyptic number.

123011321303011 is a deficient number, since it is larger than the sum of its proper divisors (1).

123011321303011 is an equidigital number, since it uses as much as digits as its factorization.

123011321303011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 123011321303011 its reverse (110303123110321), we get a palindrome (233314444413332).

The spelling of 123011321303011 in words is "one hundred twenty-three trillion, eleven billion, three hundred twenty-one million, three hundred three thousand, eleven".