123748604069 has 2 divisors, whose sum is σ = 123748604070. Its totient is φ = 123748604068.

The previous prime is 123748604011. The next prime is 123748604087. The reversal of 123748604069 is 960406847321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99390759169 + 24357844900 = 315263^2 + 156070^2 .

It is a cyclic number.

It is not a de Polignac number, because 123748604069 - 2⁸ = 123748603813 is a prime.

It is a super-2 number, since 2×123748604069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123748604669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61874302034 + 61874302035.

It is an arithmetic number, because the mean of its divisors is an integer number (61874302035).

Almost surely, 2^123748604069 is an apocalyptic number.

It is an amenable number.

123748604069 is a deficient number, since it is larger than the sum of its proper divisors (1).

123748604069 is an equidigital number, since it uses as much as digits as its factorization.

123748604069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 123748604069 in words is "one hundred twenty-three billion, seven hundred forty-eight million, six hundred four thousand, sixty-nine".