123032220351109 has 2 divisors, whose sum is σ = 123032220351110. Its totient is φ = 123032220351108.

The previous prime is 123032220351071. The next prime is 123032220351113. The reversal of 123032220351109 is 901153022230321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108023220870084 + 15008999481025 = 10393422^2 + 3874145^2 .

It is a cyclic number.

It is not a de Polignac number, because 123032220351109 - 2²³ = 123032211962501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123032220351169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61516110175554 + 61516110175555.

It is an arithmetic number, because the mean of its divisors is an integer number (61516110175555).

Almost surely, 2^{123032220351109} is an apocalyptic number.

It is an amenable number.

123032220351109 is a deficient number, since it is larger than the sum of its proper divisors (1).

123032220351109 is an equidigital number, since it uses as much as digits as its factorization.

123032220351109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 123032220351109 in words is "one hundred twenty-three trillion, thirty-two billion, two hundred twenty million, three hundred fifty-one thousand, one hundred nine".