30319423 has 2 divisors, whose sum is σ = 30319424. Its totient is φ = 30319422.

The previous prime is 30319417. The next prime is 30319427. The reversal of 30319423 is 32491303.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30319423 is a prime.

It is a super-2 number, since 2×30319423² = 1838534822105858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30319427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15159711 + 15159712.

It is an arithmetic number, because the mean of its divisors is an integer number (15159712).

Almost surely, 2^30319423 is an apocalyptic number.

30319423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30319423 is an equidigital number, since it uses as much as digits as its factorization.

30319423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 30319423 is about 5506.3075649658. The cubic root of 30319423 is about 311.8221612807.

The spelling of 30319423 in words is "thirty million, three hundred nineteen thousand, four hundred twenty-three".