123013223329 has 2 divisors, whose sum is σ = 123013223330. Its totient is φ = 123013223328.

The previous prime is 123013223191. The next prime is 123013223339. The reversal of 123013223329 is 923322310321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79609751104 + 43403472225 = 282152^2 + 208335^2 .

It is a cyclic number.

It is not a de Polignac number, because 123013223329 - 2¹¹ = 123013221281 is a prime.

It is a super-2 number, since 2×123013223329² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123013223329.

It is not a weakly prime, because it can be changed into another prime (123013223339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506611664 + 61506611665.

It is an arithmetic number, because the mean of its divisors is an integer number (61506611665).

Almost surely, 2^123013223329 is an apocalyptic number.

It is an amenable number.

123013223329 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013223329 is an equidigital number, since it uses as much as digits as its factorization.

123013223329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 123013223329 in words is "one hundred twenty-three billion, thirteen million, two hundred twenty-three thousand, three hundred twenty-nine".