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23144410623 = 317453811973
BaseRepresentation
bin10101100011100000…
…111010110111111111
32012201222021212201110
4111203200322313333
5334344432114443
614344333013103
71446353146545
oct254340726777
965658255643
1023144410623
1198a7464294
12459b024193
13224ac81c39
141197b5dd95
15906d38233
hex56383adff

23144410623 has 8 divisors (see below), whose sum is σ = 32674462128. Its totient is φ = 14521983104.

The previous prime is 23144410591. The next prime is 23144410631. The reversal of 23144410623 is 32601444132.

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 23144410623 - 25 = 23144410591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144410423) 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, 226905936 + ... + 226906037.

It is an arithmetic number, because the mean of its divisors is an integer number (4084307766).

Almost surely, 223144410623 is an apocalyptic number.

23144410623 is a deficient number, since it is larger than the sum of its proper divisors (9530051505).

23144410623 is a wasteful number, since it uses less digits than its factorization.

23144410623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453811993.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 23144410623 its reverse (32601444132), we get a palindrome (55745854755).

The spelling of 23144410623 in words is "twenty-three billion, one hundred forty-four million, four hundred ten thousand, six hundred twenty-three".

Divisors: 1 3 17 51 453811973 1361435919 7714803541 23144410623