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123022141 = 11101110731
BaseRepresentation
bin1110101010100…
…10101100111101
322120111011122121
413111102230331
5222443202031
620112442541
73022446064
oct725225475
9276434577
10123022141
11634963a0
1235249451
131c644688
14124a51db
15ac01011
hex7552b3d

123022141 has 8 divisors (see below), whose sum is σ = 135535968. Its totient is φ = 110730000.

The previous prime is 123022127. The next prime is 123022153. The reversal of 123022141 is 141220321.

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

It is a cyclic number.

It is not a de Polignac number, because 123022141 - 213 = 123013949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123022111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54255 + ... + 56476.

It is an arithmetic number, because the mean of its divisors is an integer number (16941996).

Almost surely, 2123022141 is an apocalyptic number.

123022141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123022141 is a deficient number, since it is larger than the sum of its proper divisors (12513827).

123022141 is a wasteful number, since it uses less digits than its factorization.

123022141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110843.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 123022141 is about 11091.5346548618. The cubic root of 123022141 is about 497.3488220233.

Adding to 123022141 its reverse (141220321), we get a palindrome (264242462).

The spelling of 123022141 in words is "one hundred twenty-three million, twenty-two thousand, one hundred forty-one".

Divisors: 1 11 101 1111 110731 1218041 11183831 123022141