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23057687 is a prime number
BaseRepresentation
bin101011111110…
…1010100010111
31121101110012102
41113331110113
521400321222
62142112315
7366662402
oct127752427
947343172
1023057687
1112019644
12787b69b
134a14103
1430c2d39
152056d92
hex15fd517

23057687 has 2 divisors, whose sum is σ = 23057688. Its totient is φ = 23057686.

The previous prime is 23057681. The next prime is 23057693. The reversal of 23057687 is 78675032.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (23057681) and next prime (23057693).

It is a cyclic number.

It is not a de Polignac number, because 23057687 - 218 = 22795543 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23057687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23057681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11528843 + 11528844.

It is an arithmetic number, because the mean of its divisors is an integer number (11528844).

Almost surely, 223057687 is an apocalyptic number.

23057687 is a deficient number, since it is larger than the sum of its proper divisors (1).

23057687 is an equidigital number, since it uses as much as digits as its factorization.

23057687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 23057687 is about 4801.8420423833. The cubic root of 23057687 is about 284.6242591284.

The spelling of 23057687 in words is "twenty-three million, fifty-seven thousand, six hundred eighty-seven".