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23243623 = 136129311
BaseRepresentation
bin101100010101…
…0101101100111
31121201220020221
41120222231213
521422243443
62150105211
7401365444
oct130525547
947656227
1023243623
1112136307
12794b207
134a7a930
1431309cb
152091eed
hex162ab67

23243623 has 8 divisors (see below), whose sum is σ = 25442816. Its totient is φ = 21103200.

The previous prime is 23243621. The next prime is 23243629. The reversal of 23243623 is 32634232.

It is a happy number.

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 23243623 - 21 = 23243621 is a prime.

It is a super-2 number, since 2×232436232 = 1080532020332258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23243621) 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, 13863 + ... + 15448.

It is an arithmetic number, because the mean of its divisors is an integer number (3180352).

Almost surely, 223243623 is an apocalyptic number.

23243623 is a deficient number, since it is larger than the sum of its proper divisors (2199193).

23243623 is a wasteful number, since it uses less digits than its factorization.

23243623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29385.

The product of its digits is 5184, while the sum is 25.

The square root of 23243623 is about 4821.1640710517. The cubic root of 23243623 is about 285.3872769307.

Adding to 23243623 its reverse (32634232), we get a palindrome (55877855).

The spelling of 23243623 in words is "twenty-three million, two hundred forty-three thousand, six hundred twenty-three".

Divisors: 1 13 61 793 29311 381043 1787971 23243623