30123497 has 2 divisors, whose sum is σ = 30123498. Its totient is φ = 30123496.

The previous prime is 30123461. The next prime is 30123517. The reversal of 30123497 is 79432103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22080601 + 8042896 = 4699^2 + 2836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30123497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30123437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061748 + 15061749.

It is an arithmetic number, because the mean of its divisors is an integer number (15061749).

Almost surely, 2^30123497 is an apocalyptic number.

It is an amenable number.

30123497 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123497 is an equidigital number, since it uses as much as digits as its factorization.

30123497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 30123497 is about 5488.4876787691. The cubic root of 30123497 is about 311.1490378602.

The spelling of 30123497 in words is "thirty million, one hundred twenty-three thousand, four hundred ninety-seven".