150305123 has 2 divisors, whose sum is σ = 150305124. Its totient is φ = 150305122.

The previous prime is 150305101. The next prime is 150305131. The reversal of 150305123 is 321503051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150305123 - 2⁶ = 150305059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150305095 and 150305104.

It is not a weakly prime, because it can be changed into another prime (150305923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75152561 + 75152562.

It is an arithmetic number, because the mean of its divisors is an integer number (75152562).

Almost surely, 2^150305123 is an apocalyptic number.

150305123 is a deficient number, since it is larger than the sum of its proper divisors (1).

150305123 is an equidigital number, since it uses as much as digits as its factorization.

150305123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 150305123 is about 12259.8989800080. The cubic root of 150305123 is about 531.6893089984.

Adding to 150305123 its reverse (321503051), we get a palindrome (471808174).

The spelling of 150305123 in words is "one hundred fifty million, three hundred five thousand, one hundred twenty-three".