30451423 has 2 divisors, whose sum is σ = 30451424. Its totient is φ = 30451422.

The previous prime is 30451411. The next prime is 30451427. The reversal of 30451423 is 32415403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30451423 - 2⁹ = 30450911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30451394 and 30451403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30451427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15225711 + 15225712.

It is an arithmetic number, because the mean of its divisors is an integer number (15225712).

Almost surely, 2^30451423 is an apocalyptic number.

30451423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30451423 is an equidigital number, since it uses as much as digits as its factorization.

30451423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30451423 is about 5518.2808011191. The cubic root of 30451423 is about 312.2740271421.

Adding to 30451423 its reverse (32415403), we get a palindrome (62866826).

The spelling of 30451423 in words is "thirty million, four hundred fifty-one thousand, four hundred twenty-three".