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1230323030 = 25612016923
BaseRepresentation
bin100100101010101…
…0011110101010110
310011202001212220122
41021111103311112
510004430314110
6322030031542
742326400416
oct11125236526
93152055818
101230323030
115815379a2
122a40485b2
13167b804c1
14b9584646
157302a255
hex49553d56

1230323030 has 16 divisors (see below), whose sum is σ = 2250887184. Its totient is φ = 484061280.

The previous prime is 1230323023. The next prime is 1230323111. The reversal of 1230323030 is 303230321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007852 + ... + 1009071.

It is an arithmetic number, because the mean of its divisors is an integer number (140680449).

Almost surely, 21230323030 is an apocalyptic number.

1230323030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230323030 is a deficient number, since it is larger than the sum of its proper divisors (1020564154).

1230323030 is a wasteful number, since it uses less digits than its factorization.

1230323030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016991.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 1230323030 is about 35075.9608564042. The cubic root of 1230323030 is about 1071.5350575983.

Adding to 1230323030 its reverse (303230321), we get a palindrome (1533553351).

The spelling of 1230323030 in words is "one billion, two hundred thirty million, three hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 61 122 305 610 2016923 4033846 10084615 20169230 123032303 246064606 615161515 1230323030