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23420673 = 3219136963
BaseRepresentation
bin101100101010…
…1111100000001
31122001220010100
41121111330001
521443430143
62153553013
7403033563
oct131257401
948056110
1023420673
1112247331
127a15769
134b103b3
143179333
1520c96d3
hex1655f01

23420673 has 12 divisors (see below), whose sum is σ = 35610640. Its totient is φ = 14791896.

The previous prime is 23420671. The next prime is 23420687. The reversal of 23420673 is 37602432.

It is not a de Polignac number, because 23420673 - 21 = 23420671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23420671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68311 + ... + 68652.

Almost surely, 223420673 is an apocalyptic number.

It is an amenable number.

23420673 is a deficient number, since it is larger than the sum of its proper divisors (12189967).

23420673 is a wasteful number, since it uses less digits than its factorization.

23420673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136988 (or 136985 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 23420673 is about 4839.4909856306. The cubic root of 23420673 is about 286.1100567516.

The spelling of 23420673 in words is "twenty-three million, four hundred twenty thousand, six hundred seventy-three".

Divisors: 1 3 9 19 57 171 136963 410889 1232667 2602297 7806891 23420673