123416443433 has 2 divisors, whose sum is σ = 123416443434. Its totient is φ = 123416443432.

The previous prime is 123416443369. The next prime is 123416443517. The reversal of 123416443433 is 334344614321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122071974544 + 1344468889 = 349388^2 + 36667^2 .

It is a cyclic number.

It is not a de Polignac number, because 123416443433 - 2⁶ = 123416443369 is a prime.

It is not a weakly prime, because it can be changed into another prime (123416449433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61708221716 + 61708221717.

It is an arithmetic number, because the mean of its divisors is an integer number (61708221717).

Almost surely, 2^123416443433 is an apocalyptic number.

It is an amenable number.

123416443433 is a deficient number, since it is larger than the sum of its proper divisors (1).

123416443433 is an equidigital number, since it uses as much as digits as its factorization.

123416443433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 38.

The spelling of 123416443433 in words is "one hundred twenty-three billion, four hundred sixteen million, four hundred forty-three thousand, four hundred thirty-three".