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23120031234 = 233853338539
BaseRepresentation
bin10101100010000011…
…111010111000000010
32012200021102021111010
4111202003322320002
5334322211444414
614342102301350
71445636010606
oct254203727002
965607367433
1023120031234
119894722733
124592a27856
132245bc7371
141194815506
15904b1e959
hex5620fae02

23120031234 has 8 divisors (see below), whose sum is σ = 46240062480. Its totient is φ = 7706677076.

The previous prime is 23120031191. The next prime is 23120031317. The reversal of 23120031234 is 43213002132.

It is a sphenic number, since it is the product of 3 distinct primes.

23120031234 is an admirable number.

It is a super-2 number, since 2×231200312342 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23120031234.

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, 1926669264 + ... + 1926669275.

It is an arithmetic number, because the mean of its divisors is an integer number (5780007810).

Almost surely, 223120031234 is an apocalyptic number.

23120031234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23120031234 is a wasteful number, since it uses less digits than its factorization.

23120031234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853338544.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23120031234 its reverse (43213002132), we get a palindrome (66333033366).

The spelling of 23120031234 in words is "twenty-three billion, one hundred twenty million, thirty-one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 3853338539 7706677078 11560015617 23120031234