123604447 has 2 divisors, whose sum is σ = 123604448. Its totient is φ = 123604446.

The previous prime is 123604423. The next prime is 123604493. The reversal of 123604447 is 744406321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123604447 - 2⁷ = 123604319 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123604417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61802223 + 61802224.

It is an arithmetic number, because the mean of its divisors is an integer number (61802224).

Almost surely, 2^123604447 is an apocalyptic number.

123604447 is a deficient number, since it is larger than the sum of its proper divisors (1).

123604447 is an equidigital number, since it uses as much as digits as its factorization.

123604447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 123604447 is about 11117.7536849851. The cubic root of 123604447 is about 498.1322947074.

It can be divided in two parts, 12360 and 4447, that added together give a 5-th power (16807 = 7⁵).

The spelling of 123604447 in words is "one hundred twenty-three million, six hundred four thousand, four hundred forty-seven".