123670433 has 2 divisors, whose sum is σ = 123670434. Its totient is φ = 123670432.

The previous prime is 123670397. The next prime is 123670457. The reversal of 123670433 is 334076321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107081104 + 16589329 = 10348^2 + 4073^2 .

It is a cyclic number.

It is not a de Polignac number, because 123670433 - 2⁸ = 123670177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123670396 and 123670405.

It is not a weakly prime, because it can be changed into another prime (123670133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61835216 + 61835217.

It is an arithmetic number, because the mean of its divisors is an integer number (61835217).

Almost surely, 2^123670433 is an apocalyptic number.

It is an amenable number.

123670433 is a deficient number, since it is larger than the sum of its proper divisors (1).

123670433 is an equidigital number, since it uses as much as digits as its factorization.

123670433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 123670433 is about 11120.7208849067. The cubic root of 123670433 is about 498.2209212657.

The spelling of 123670433 in words is "one hundred twenty-three million, six hundred seventy thousand, four hundred thirty-three".