30494423 has 2 divisors, whose sum is σ = 30494424. Its totient is φ = 30494422.

The previous prime is 30494407. The next prime is 30494437. The reversal of 30494423 is 32449403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30494423 - 2⁴ = 30494407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30494473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15247211 + 15247212.

It is an arithmetic number, because the mean of its divisors is an integer number (15247212).

Almost surely, 2^30494423 is an apocalyptic number.

30494423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30494423 is an equidigital number, since it uses as much as digits as its factorization.

30494423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 30494423 is about 5522.1755676545. The cubic root of 30494423 is about 312.4209438421.

The spelling of 30494423 in words is "thirty million, four hundred ninety-four thousand, four hundred twenty-three".