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1023000223 = 719531031409
BaseRepresentation
bin111100111110011…
…011111010011111
32122021221210111011
4330332123322133
54043342001343
6245302240051
734231233640
oct7476337237
92567853434
101023000223
11485503233
12246726027
13133c3109b
1499c176c7
155ec2629d
hex3cf9be9f

1023000223 has 32 divisors (see below), whose sum is σ = 1266969600. Its totient is φ = 806547456.

The previous prime is 1023000221. The next prime is 1023000227. The reversal of 1023000223 is 3220003201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1023000223 - 21 = 1023000221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023000221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 725343 + ... + 726751.

It is an arithmetic number, because the mean of its divisors is an integer number (39592800).

Almost surely, 21023000223 is an apocalyptic number.

1023000223 is a deficient number, since it is larger than the sum of its proper divisors (243969377).

1023000223 is a wasteful number, since it uses less digits than its factorization.

1023000223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1023000223 is about 31984.3746695164. The cubic root of 1023000223 is about 1007.6087018280.

Adding to 1023000223 its reverse (3220003201), we get a palindrome (4243003424).

The spelling of 1023000223 in words is "one billion, twenty-three million, two hundred twenty-three", and thus it is an aban number.

Divisors: 1 7 19 53 103 133 371 721 1007 1409 1957 5459 7049 9863 13699 26771 38213 74677 103721 145127 187397 522739 726047 1015889 1418863 2757413 7691731 9932041 19301891 53842117 146142889 1023000223