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123223131033130 = 2589138452956217
BaseRepresentation
bin11100000001001000011110…
…111101000000111000101010
3121011022000102212110020010201
4130001020132331000320222
5112122341433021030010
61114023531440502414
734645402026010522
oct3401103675007052
9534260385406121
10123223131033130
1136298700058697
12119a157531aa0a
13539ab7852599b
1422600620c4682
15e3a4b2db323a
hex70121ef40e2a

123223131033130 has 16 divisors (see below), whose sum is σ = 224293789073160. Its totient is φ = 48735440588032.

The previous prime is 123223131033127. The next prime is 123223131033143. The reversal of 123223131033130 is 31330131322321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 82694233887769 + 40528897145361 = 9093637^2 + 6366231^2 .

It is a super-2 number, since 2×1232231310331302 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69226477219 + ... + 69226478998.

Almost surely, 2123223131033130 is an apocalyptic number.

123223131033130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123223131033130 is a deficient number, since it is larger than the sum of its proper divisors (101070658040030).

123223131033130 is a wasteful number, since it uses less digits than its factorization.

123223131033130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138452956313.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 123223131033130 its reverse (31330131322321), we get a palindrome (154553262355451).

The spelling of 123223131033130 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, one hundred thirty-one million, thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 89 178 445 890 138452956217 276905912434 692264781085 1384529562170 12322313103313 24644626206626 61611565516565 123223131033130