30788423 has 2 divisors, whose sum is σ = 30788424. Its totient is φ = 30788422.

The previous prime is 30788399. The next prime is 30788437. The reversal of 30788423 is 32488703.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30788423 - 2⁸ = 30788167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30788123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15394211 + 15394212.

It is an arithmetic number, because the mean of its divisors is an integer number (15394212).

Almost surely, 2^30788423 is an apocalyptic number.

30788423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30788423 is an equidigital number, since it uses as much as digits as its factorization.

30788423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 30788423 is about 5548.7316568744. The cubic root of 30788423 is about 313.4217623004.

The spelling of 30788423 in words is "thirty million, seven hundred eighty-eight thousand, four hundred twenty-three".