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23440220203 = 487451910651
BaseRepresentation
bin10101110101001001…
…010110000000101011
32020111120220120011211
4111311021112000223
5341001144021303
614433541133551
71456604404261
oct256511260053
966446816154
1023440220203
119a39436414
1246620ba2b7
1322973435aa
1411c5162431
15922cba66d
hex57525602b

23440220203 has 8 divisors (see below), whose sum is σ = 23495755520. Its totient is φ = 23384716200.

The previous prime is 23440220191. The next prime is 23440220227. The reversal of 23440220203 is 30202204432.

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 23440220203 - 225 = 23406665771 is a prime.

It is a super-2 number, since 2×234402202032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23440220603) 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, 2195428 + ... + 2206078.

It is an arithmetic number, because the mean of its divisors is an integer number (2936969440).

Almost surely, 223440220203 is an apocalyptic number.

23440220203 is a deficient number, since it is larger than the sum of its proper divisors (55535317).

23440220203 is a wasteful number, since it uses less digits than its factorization.

23440220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15657.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 23440220203 its reverse (30202204432), we get a palindrome (53642424635).

The spelling of 23440220203 in words is "twenty-three billion, four hundred forty million, two hundred twenty thousand, two hundred three".

Divisors: 1 487 4519 10651 2200753 5187037 48131869 23440220203