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123053412 = 22317603203
BaseRepresentation
bin1110101010110…
…10010101100100
322120112202112210
413111122111210
5223000202122
620113243420
73022636206
oct725322544
9276482483
10123053412
1163507939
1235263570
131c655991
14124b2776
15ac0a40c
hex755a564

123053412 has 24 divisors (see below), whose sum is σ = 304014816. Its totient is φ = 38604928.

The previous prime is 123053387. The next prime is 123053459. The reversal of 123053412 is 214350321.

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, 301398 + ... + 301805.

It is an arithmetic number, because the mean of its divisors is an integer number (12667284).

Almost surely, 2123053412 is an apocalyptic number.

123053412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123053412 is an abundant number, since it is smaller than the sum of its proper divisors (180961404).

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

123053412 is a wasteful number, since it uses less digits than its factorization.

123053412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603227 (or 603225 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 123053412 is about 11092.9442439778. The cubic root of 123053412 is about 497.3909588216.

The spelling of 123053412 in words is "one hundred twenty-three million, fifty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 603203 1206406 1809609 2412812 3619218 7238436 10254451 20508902 30763353 41017804 61526706 123053412