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70930423 is a prime number
BaseRepresentation
bin1000011101001…
…00111111110111
311221110122020201
410032210333313
5121124233143
611012141331
71520620144
oct416447767
9157418221
1070930423
1137047093
121b907847
1311906185
1495c53cb
15636164d
hex43a4ff7

70930423 has 2 divisors, whose sum is σ = 70930424. Its totient is φ = 70930422.

The previous prime is 70930403. The next prime is 70930427. The reversal of 70930423 is 32403907.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70930423 is a prime.

It is a super-2 number, since 2×709304232 = 10062249813917858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70930391 and 70930400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70930427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35465211 + 35465212.

It is an arithmetic number, because the mean of its divisors is an integer number (35465212).

Almost surely, 270930423 is an apocalyptic number.

70930423 is a deficient number, since it is larger than the sum of its proper divisors (1).

70930423 is an equidigital number, since it uses as much as digits as its factorization.

70930423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 70930423 is about 8422.0201258368. The cubic root of 70930423 is about 413.9464698539.

The spelling of 70930423 in words is "seventy million, nine hundred thirty thousand, four hundred twenty-three".