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23263431 = 310176777
BaseRepresentation
bin101100010111…
…1100011000111
31121202220102120
41120233203013
521423412211
62150341023
7401510262
oct130574307
947686376
1023263431
111214a184
12795a773
134a86959
143137cd9
152097d06
hex162f8c7

23263431 has 8 divisors (see below), whose sum is σ = 31325424. Its totient is φ = 15355200.

The previous prime is 23263403. The next prime is 23263439. The reversal of 23263431 is 13436232.

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

It is not a de Polignac number, because 23263431 - 211 = 23261383 is a prime.

It is a super-2 number, since 2×232634312 = 1082374443783522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23263439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38086 + ... + 38691.

It is an arithmetic number, because the mean of its divisors is an integer number (3915678).

Almost surely, 223263431 is an apocalyptic number.

23263431 is a deficient number, since it is larger than the sum of its proper divisors (8061993).

23263431 is a wasteful number, since it uses less digits than its factorization.

23263431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76881.

The product of its digits is 2592, while the sum is 24.

The square root of 23263431 is about 4823.2179092386. The cubic root of 23263431 is about 285.4683220435.

Adding to 23263431 its reverse (13436232), we get a palindrome (36699663).

The spelling of 23263431 in words is "twenty-three million, two hundred sixty-three thousand, four hundred thirty-one".

Divisors: 1 3 101 303 76777 230331 7754477 23263431