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23123221233 = 374335971329
BaseRepresentation
bin10101100010010000…
…000101101011110001
32012200111102100100020
4111202100011223301
5334324021034413
614342254514053
71446005065110
oct254220055361
965614370306
1023123221233
1198965013a2
124593b05929
132246773338
141195005c77
1590504ec23
hex562405af1

23123221233 has 32 divisors (see below), whose sum is σ = 36155750400. Its totient is φ = 12869853696.

The previous prime is 23123221223. The next prime is 23123221259. The reversal of 23123221233 is 33212232132.

It is not a de Polignac number, because 23123221233 - 213 = 23123213041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23123221213) 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, 288513 + ... + 359841.

It is an arithmetic number, because the mean of its divisors is an integer number (1129867200).

Almost surely, 223123221233 is an apocalyptic number.

It is an amenable number.

23123221233 is a deficient number, since it is larger than the sum of its proper divisors (13032529167).

23123221233 is a wasteful number, since it uses less digits than its factorization.

23123221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71741.

The product of its digits is 2592, while the sum is 24.

Adding to 23123221233 its reverse (33212232132), we get a palindrome (56335453365).

The spelling of 23123221233 in words is "twenty-three billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 3 7 21 43 129 301 359 903 1077 2513 7539 15437 46311 71329 108059 213987 324177 499303 1497909 3067147 9201441 21470029 25607111 64410087 76821333 179249777 537749331 1101105773 3303317319 7707740411 23123221233