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23031123303 = 3176721613119
BaseRepresentation
bin10101011100110000…
…110000110101100111
32012110002010021201210
4111130300300311213
5334131431421203
614325204522503
71443506214036
oct253460606547
965402107653
1023031123303
119849517901
1245690b0433
132230668516
141186ab071d
158ebe0b803
hex55cc30d67

23031123303 has 32 divisors (see below), whose sum is σ = 33025674240. Its totient is φ = 14224066560.

The previous prime is 23031123257. The next prime is 23031123319. The reversal of 23031123303 is 30332113032.

It is not a de Polignac number, because 23031123303 - 29 = 23031122791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23031123303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031123383) 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, 7382578 + ... + 7385696.

It is an arithmetic number, because the mean of its divisors is an integer number (1032052320).

Almost surely, 223031123303 is an apocalyptic number.

23031123303 is a deficient number, since it is larger than the sum of its proper divisors (9994550937).

23031123303 is a wasteful number, since it uses less digits than its factorization.

23031123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23031123303 its reverse (30332113032), we get a palindrome (53363236335).

The spelling of 23031123303 in words is "twenty-three billion, thirty-one million, one hundred twenty-three thousand, three hundred three".

Divisors: 1 3 17 51 67 201 1139 2161 3119 3417 6483 9357 36737 53023 110211 144787 159069 208973 434361 626919 2461379 3552541 6740159 7384137 10657623 20220477 114582703 343748109 451590653 1354771959 7677041101 23031123303