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23240243 = 132836317
BaseRepresentation
bin101100010100…
…1111000110011
31121201201121202
41120221320303
521422141433
62150041415
7401352545
oct130517063
947651552
1023240243
1112133814
12794926b
134a79230
14312d695
152090ee8
hex1629e33

23240243 has 8 divisors (see below), whose sum is σ = 25120368. Its totient is φ = 21373344.

The previous prime is 23240233. The next prime is 23240251. The reversal of 23240243 is 34204232.

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

It is a cyclic number.

It is not a de Polignac number, because 23240243 - 24 = 23240227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23240213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521 + ... + 6837.

It is an arithmetic number, because the mean of its divisors is an integer number (3140046).

Almost surely, 223240243 is an apocalyptic number.

23240243 is a deficient number, since it is larger than the sum of its proper divisors (1880125).

23240243 is a wasteful number, since it uses less digits than its factorization.

23240243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 23240243 is about 4820.8135205585. The cubic root of 23240243 is about 285.3734429463.

Adding to 23240243 its reverse (34204232), we get a palindrome (57444475).

The spelling of 23240243 in words is "twenty-three million, two hundred forty thousand, two hundred forty-three".

Divisors: 1 13 283 3679 6317 82121 1787711 23240243