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23123311132 = 2212745518329
BaseRepresentation
bin10101100010010000…
…011011101000011100
32012200111120220122211
4111202100123220130
5334324031424012
614342300450204
71446005621155
oct254220335034
965614526584
1023123311132
119896562999
124593b49964
1322467a522c
14119502a92c
1590506b6a7
hex56241ba1c

23123311132 has 12 divisors (see below), whose sum is σ = 40784423680. Its totient is φ = 11470618656.

The previous prime is 23123311069. The next prime is 23123311157. The reversal of 23123311132 is 23111332132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22758657 + ... + 22759672.

Almost surely, 223123311132 is an apocalyptic number.

It is an amenable number.

23123311132 is a deficient number, since it is larger than the sum of its proper divisors (17661112548).

23123311132 is a wasteful number, since it uses less digits than its factorization.

23123311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45518460 (or 45518458 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 23123311132 its reverse (23111332132), we get a palindrome (46234643264).

The spelling of 23123311132 in words is "twenty-three billion, one hundred twenty-three million, three hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 4 127 254 508 45518329 91036658 182073316 5780827783 11561655566 23123311132