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1223110230 = 23545789213
BaseRepresentation
bin100100011100111…
…0010111001010110
310011020111102210220
41020321302321112
510001104011410
6321211255210
742211160016
oct11071627126
93136442726
101223110230
11578460901
122a174a506
13166526484
14b8627c46
15725a3070
hex48e72e56

1223110230 has 32 divisors (see below), whose sum is σ = 2941920864. Its totient is φ = 325445376.

The previous prime is 1223110223. The next prime is 1223110243. The reversal of 1223110230 is 320113221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30897 + ... + 58316.

It is an arithmetic number, because the mean of its divisors is an integer number (91935027).

Almost surely, 21223110230 is an apocalyptic number.

1223110230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223110230 is an abundant number, since it is smaller than the sum of its proper divisors (1718810634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223110230 is a wasteful number, since it uses less digits than its factorization.

1223110230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89680.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1223110230 is about 34972.9928659244. The cubic root of 1223110230 is about 1069.4369850799.

Adding to 1223110230 its reverse (320113221), we get a palindrome (1543223451).

The spelling of 1223110230 in words is "one billion, two hundred twenty-three million, one hundred ten thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 457 914 1371 2285 2742 4570 6855 13710 89213 178426 267639 446065 535278 892130 1338195 2676390 40770341 81540682 122311023 203851705 244622046 407703410 611555115 1223110230