123211323293 has 2 divisors, whose sum is σ = 123211323294. Its totient is φ = 123211323292.

The previous prime is 123211323281. The next prime is 123211323353. The reversal of 123211323293 is 392323112321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88629457849 + 34581865444 = 297707^2 + 185962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123211323293 is a prime.

It is a super-2 number, since 2×123211323293² (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 (123211343293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61605661646 + 61605661647.

It is an arithmetic number, because the mean of its divisors is an integer number (61605661647).

Almost surely, 2^123211323293 is an apocalyptic number.

It is an amenable number.

123211323293 is a deficient number, since it is larger than the sum of its proper divisors (1).

123211323293 is an equidigital number, since it uses as much as digits as its factorization.

123211323293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The spelling of 123211323293 in words is "one hundred twenty-three billion, two hundred eleven million, three hundred twenty-three thousand, two hundred ninety-three".