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120231234123 = 371121397157239
BaseRepresentation
bin110111111111001010…
…1110000101001001011
3102111100010021112002020
41233332111300221023
53432213143442443
6131122232335523
711454304425240
oct1577625605113
9374303245066
10120231234123
1146a98440800
121b3752445a3
13b4510892b0
145b67d395c7
1531da42e583
hex1bfe570a4b

120231234123 has 192 divisors, whose sum is σ = 221423677440. Its totient is φ = 56458321920.

The previous prime is 120231234121. The next prime is 120231234131. The reversal of 120231234123 is 321432132021.

It is not a de Polignac number, because 120231234123 - 21 = 120231234121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120231234093 and 120231234102.

It is not an unprimeable number, because it can be changed into a prime (120231234121) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 503059438 + ... + 503059676.

It is an arithmetic number, because the mean of its divisors is an integer number (1153248320).

Almost surely, 2120231234123 is an apocalyptic number.

120231234123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120231234123 is a deficient number, since it is larger than the sum of its proper divisors (101192443317).

120231234123 is a wasteful number, since it uses less digits than its factorization.

120231234123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 120231234123 its reverse (321432132021), we get a palindrome (441663366144).

The spelling of 120231234123 in words is "one hundred twenty billion, two hundred thirty-one million, two hundred thirty-four thousand, one hundred twenty-three".