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30347423 is a prime number
BaseRepresentation
bin111001111000…
…1000010011111
32010002210211122
41303301002133
530232104143
63002241155
7515643311
oct163610237
963083748
1030347423
1116148517
12a1b61bb
136397172
14405d7b1
1529e6c68
hex1cf109f

30347423 has 2 divisors, whose sum is σ = 30347424. Its totient is φ = 30347422.

The previous prime is 30347399. The next prime is 30347441. The reversal of 30347423 is 32474303.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30347423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30347392 and 30347401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30347483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15173711 + 15173712.

It is an arithmetic number, because the mean of its divisors is an integer number (15173712).

Almost surely, 230347423 is an apocalyptic number.

30347423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30347423 is an equidigital number, since it uses as much as digits as its factorization.

30347423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 26.

The square root of 30347423 is about 5508.8495169137. The cubic root of 30347423 is about 311.9181210465.

The spelling of 30347423 in words is "thirty million, three hundred forty-seven thousand, four hundred twenty-three".