123213030223337 has 2 divisors, whose sum is σ = 123213030223338. Its totient is φ = 123213030223336.

The previous prime is 123213030223289. The next prime is 123213030223357. The reversal of 123213030223337 is 733322030312321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94477544641936 + 28735485581401 = 9719956^2 + 5360549^2 .

It is a cyclic number.

It is not a de Polignac number, because 123213030223337 - 2⁶ = 123213030223273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123213030223297 and 123213030223306.

It is not a weakly prime, because it can be changed into another prime (123213030223357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61606515111668 + 61606515111669.

It is an arithmetic number, because the mean of its divisors is an integer number (61606515111669).

Almost surely, 2^{123213030223337} is an apocalyptic number.

It is an amenable number.

123213030223337 is a deficient number, since it is larger than the sum of its proper divisors (1).

123213030223337 is an equidigital number, since it uses as much as digits as its factorization.

123213030223337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 35.

Adding to 123213030223337 its reverse (733322030312321), we get a palindrome (856535060535658).

The spelling of 123213030223337 in words is "one hundred twenty-three trillion, two hundred thirteen billion, thirty million, two hundred twenty-three thousand, three hundred thirty-seven".