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23423641 = 96724223
BaseRepresentation
bin101100101011…
…0101010011001
31122002001012021
41121112222121
521444024031
62154014441
7403045333
oct131265231
948061167
1023423641
111224958a
127a17421
134b11857
14317a453
1520ca511
hex1656a99

23423641 has 4 divisors (see below), whose sum is σ = 23448832. Its totient is φ = 23398452.

The previous prime is 23423623. The next prime is 23423663. The reversal of 23423641 is 14632432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23423641 - 29 = 23423129 is a prime.

It is a super-3 number, since 3×234236413 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23423611) 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 3 ways as a sum of consecutive naturals, for example, 11145 + ... + 13078.

It is an arithmetic number, because the mean of its divisors is an integer number (5862208).

Almost surely, 223423641 is an apocalyptic number.

It is an amenable number.

23423641 is a deficient number, since it is larger than the sum of its proper divisors (25191).

23423641 is an equidigital number, since it uses as much as digits as its factorization.

23423641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25190.

The product of its digits is 3456, while the sum is 25.

The square root of 23423641 is about 4839.7976197358. The cubic root of 23423641 is about 286.1221420687.

The spelling of 23423641 in words is "twenty-three million, four hundred twenty-three thousand, six hundred forty-one".

Divisors: 1 967 24223 23423641