124233423409 has 2 divisors, whose sum is σ = 124233423410. Its totient is φ = 124233423408.

The previous prime is 124233423359. The next prime is 124233423443. The reversal of 124233423409 is 904324332421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112778430625 + 11454992784 = 335825^2 + 107028^2 .

It is a cyclic number.

It is not a de Polignac number, because 124233423409 - 2²¹ = 124231326257 is a prime.

It is not a weakly prime, because it can be changed into another prime (124233423709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62116711704 + 62116711705.

It is an arithmetic number, because the mean of its divisors is an integer number (62116711705).

Almost surely, 2^124233423409 is an apocalyptic number.

It is an amenable number.

124233423409 is a deficient number, since it is larger than the sum of its proper divisors (1).

124233423409 is an equidigital number, since it uses as much as digits as its factorization.

124233423409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 124233423409 in words is "one hundred twenty-four billion, two hundred thirty-three million, four hundred twenty-three thousand, four hundred nine".