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11923223 = 132339877
BaseRepresentation
bin101101011110…
…111100010111
3211102202120212
4231132330113
511023020343
61103320035
7203226404
oct55367427
924382525
1011923223
116804104
123bb001b
132616080
1418252ab
1510a7c18
hexb5ef17

11923223 has 8 divisors (see below), whose sum is σ = 13399008. Its totient is φ = 10527264.

The previous prime is 11923217. The next prime is 11923231. The reversal of 11923223 is 32232911.

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 11923223 - 24 = 11923207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11923283) 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, 19640 + ... + 20237.

It is an arithmetic number, because the mean of its divisors is an integer number (1674876).

Almost surely, 211923223 is an apocalyptic number.

11923223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11923223 is a deficient number, since it is larger than the sum of its proper divisors (1475785).

11923223 is a wasteful number, since it uses less digits than its factorization.

11923223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39913.

The product of its digits is 648, while the sum is 23.

The square root of 11923223 is about 3453.0020272221. The cubic root of 11923223 is about 228.4535383320.

It can be divided in two parts, 119232 and 23, that multiplied together give a square (2742336 = 16562).

The spelling of 11923223 in words is "eleven million, nine hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 13 23 299 39877 518401 917171 11923223