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23030907 = 319404051
BaseRepresentation
bin101011111011…
…0110001111011
31121100002110120
41113312301323
521343442112
62141344323
7366521334
oct127666173
947302416
1023030907
1112000509
1278680a3
134a04b73
1430b728b
15204de8c
hex15f6c7b

23030907 has 8 divisors (see below), whose sum is σ = 32324160. Its totient is φ = 14545800.

The previous prime is 23030879. The next prime is 23030941. The reversal of 23030907 is 70903032.

Adding to 23030907 its reverse (70903032), we get a palindrome (93933939).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23030907 - 212 = 23026811 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (23030947) 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 in 7 ways as a sum of consecutive naturals, for example, 201969 + ... + 202082.

It is an arithmetic number, because the mean of its divisors is an integer number (4040520).

Almost surely, 223030907 is an apocalyptic number.

23030907 is a deficient number, since it is larger than the sum of its proper divisors (9293253).

23030907 is a wasteful number, since it uses less digits than its factorization.

23030907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404073.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 23030907 is about 4799.0527190270. The cubic root of 23030907 is about 284.5140256016.

The spelling of 23030907 in words is "twenty-three million, thirty thousand, nine hundred seven".

Divisors: 1 3 19 57 404051 1212153 7676969 23030907